31186875720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{259631}}^1$

素因数の和:259676

約数の個数: 256

約数和(自身を含む): 125620346880

約数和(自身を除く): 94433471160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 4004, 4290, 4620, 5005, 5460, 5720, 6006, 8008, 8580, 9240, 10010, 10920, 12012, 15015, 17160, 20020, 24024, 30030, 40040, 60060, 120120, 259631, 519262, 778893, 1038524, 1298155, 1557786, 1817417, 2077048, 2596310, 2855941, 3115572, 3375203, 3634834, 3894465, 5192620, 5452251, 5711882, 6231144, 6750406, 7269668, 7788930, 8567823, 9087085, 10125609, 10385240, 10904502, 11423764, 13500812, 14279705, 14539336, 15577860, 16876015, 17135646, 18174170, 19991587, 20251218, 21809004, 22847528, 23626421, 27001624, 27261255, 28559410, 31155720, 33752030, 34271292, 36348340, 37127233, 39983174, 40502436, 42839115, 43618008, 47252842, 50628045, 54522510, 57118820, 59974761, 67504060, 68542584, 70879263, 72696680, 74254466, 79966348, 81004872, 85678230, 94505684, 99957935, 101256090, 109045020, 111381699, 114237640, 118132105, 119949522, 135008120, 141758526, 148508932, 159932696, 171356460, 185636165, 189011368, 199915870, 202512180, 218090040, 222763398, 236264210, 239899044, 259890631, 283517052, 297017864, 299873805, 342712920, 354396315, 371272330, 399831740, 405024360, 445526796, 472528420, 479798088, 519781262, 556908495, 567034104, 599747610, 708792630, 742544660, 779671893, 799663480, 891053592, 945056840, 1039562524, 1113816990, 1199495220, 1299453155, 1417585260, 1485089320, 1559343786, 2079125048, 2227633980, 2398990440, 2598906310, 2835170520, 3118687572, 3898359465, 4455267960, 5197812620, 6237375144, 7796718930, 10395625240, 15593437860, 31186875720]

約数ペア:

[(1, 31186875720), (2, 15593437860), (3, 10395625240), (4, 7796718930), (5, 6237375144), (6, 5197812620), (7, 4455267960), (8, 3898359465), (10, 3118687572), (11, 2835170520), (12, 2598906310), (13, 2398990440), (14, 2227633980), (15, 2079125048), (20, 1559343786), (21, 1485089320), (22, 1417585260), (24, 1299453155), (26, 1199495220), (28, 1113816990), (30, 1039562524), (33, 945056840), (35, 891053592), (39, 799663480), (40, 779671893), (42, 742544660), (44, 708792630), (52, 599747610), (55, 567034104), (56, 556908495), (60, 519781262), (65, 479798088), (66, 472528420), (70, 445526796), (77, 405024360), (78, 399831740), (84, 371272330), (88, 354396315), (91, 342712920), (104, 299873805), (105, 297017864), (110, 283517052), (120, 259890631), (130, 239899044), (132, 236264210), (140, 222763398), (143, 218090040), (154, 202512180), (156, 199915870), (165, 189011368), (168, 185636165), (182, 171356460), (195, 159932696), (210, 148508932), (220, 141758526), (231, 135008120), (260, 119949522), (264, 118132105), (273, 114237640), (280, 111381699), (286, 109045020), (308, 101256090), (312, 99957935), (330, 94505684), (364, 85678230), (385, 81004872), (390, 79966348), (420, 74254466), (429, 72696680), (440, 70879263), (455, 68542584), (462, 67504060), (520, 59974761), (546, 57118820), (572, 54522510), (616, 50628045), (660, 47252842), (715, 43618008), (728, 42839115), (770, 40502436), (780, 39983174), (840, 37127233), (858, 36348340), (910, 34271292), (924, 33752030), (1001, 31155720), (1092, 28559410), (1144, 27261255), (1155, 27001624), (1320, 23626421), (1365, 22847528), (1430, 21809004), (1540, 20251218), (1560, 19991587), (1716, 18174170), (1820, 17135646), (1848, 16876015), (2002, 15577860), (2145, 14539336), (2184, 14279705), (2310, 13500812), (2730, 11423764), (2860, 10904502), (3003, 10385240), (3080, 10125609), (3432, 9087085), (3640, 8567823), (4004, 7788930), (4290, 7269668), (4620, 6750406), (5005, 6231144), (5460, 5711882), (5720, 5452251), (6006, 5192620), (8008, 3894465), (8580, 3634834), (9240, 3375203), (10010, 3115572), (10920, 2855941), (12012, 2596310), (15015, 2077048), (17160, 1817417), (20020, 1557786), (24024, 1298155), (30030, 1038524), (40040, 778893), (60060, 519262), (120120, 259631)]