155288520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 540259200

約数和(自身を除く): 384970680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 73, 76, 90, 95, 114, 120, 146, 152, 171, 180, 190, 219, 228, 285, 292, 311, 342, 360, 365, 380, 438, 456, 570, 584, 622, 657, 684, 730, 760, 855, 876, 933, 1095, 1140, 1244, 1314, 1368, 1387, 1460, 1555, 1710, 1752, 1866, 2190, 2280, 2488, 2628, 2774, 2799, 2920, 3110, 3285, 3420, 3732, 4161, 4380, 4665, 5256, 5548, 5598, 5909, 6220, 6570, 6840, 6935, 7464, 8322, 8760, 9330, 11096, 11196, 11818, 12440, 12483, 13140, 13870, 13995, 16644, 17727, 18660, 20805, 22392, 22703, 23636, 24966, 26280, 27740, 27990, 29545, 33288, 35454, 37320, 41610, 45406, 47272, 49932, 53181, 55480, 55980, 59090, 62415, 68109, 70908, 83220, 88635, 90812, 99864, 106362, 111960, 113515, 118180, 124830, 136218, 141816, 166440, 177270, 181624, 204327, 212724, 227030, 236360, 249660, 265905, 272436, 340545, 354540, 408654, 425448, 431357, 454060, 499320, 531810, 544872, 681090, 709080, 817308, 862714, 908120, 1021635, 1063620, 1294071, 1362180, 1634616, 1725428, 2043270, 2127240, 2156785, 2588142, 2724360, 3450856, 3882213, 4086540, 4313570, 5176284, 6470355, 7764426, 8173080, 8627140, 10352568, 12940710, 15528852, 17254280, 19411065, 25881420, 31057704, 38822130, 51762840, 77644260, 155288520]

約数ペア:

[(1, 155288520), (2, 77644260), (3, 51762840), (4, 38822130), (5, 31057704), (6, 25881420), (8, 19411065), (9, 17254280), (10, 15528852), (12, 12940710), (15, 10352568), (18, 8627140), (19, 8173080), (20, 7764426), (24, 6470355), (30, 5176284), (36, 4313570), (38, 4086540), (40, 3882213), (45, 3450856), (57, 2724360), (60, 2588142), (72, 2156785), (73, 2127240), (76, 2043270), (90, 1725428), (95, 1634616), (114, 1362180), (120, 1294071), (146, 1063620), (152, 1021635), (171, 908120), (180, 862714), (190, 817308), (219, 709080), (228, 681090), (285, 544872), (292, 531810), (311, 499320), (342, 454060), (360, 431357), (365, 425448), (380, 408654), (438, 354540), (456, 340545), (570, 272436), (584, 265905), (622, 249660), (657, 236360), (684, 227030), (730, 212724), (760, 204327), (855, 181624), (876, 177270), (933, 166440), (1095, 141816), (1140, 136218), (1244, 124830), (1314, 118180), (1368, 113515), (1387, 111960), (1460, 106362), (1555, 99864), (1710, 90812), (1752, 88635), (1866, 83220), (2190, 70908), (2280, 68109), (2488, 62415), (2628, 59090), (2774, 55980), (2799, 55480), (2920, 53181), (3110, 49932), (3285, 47272), (3420, 45406), (3732, 41610), (4161, 37320), (4380, 35454), (4665, 33288), (5256, 29545), (5548, 27990), (5598, 27740), (5909, 26280), (6220, 24966), (6570, 23636), (6840, 22703), (6935, 22392), (7464, 20805), (8322, 18660), (8760, 17727), (9330, 16644), (11096, 13995), (11196, 13870), (11818, 13140), (12440, 12483)]