321250020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3510

約数の個数: 192

約数和(自身を含む): 1172537856

約数和(自身を除く): 851287836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1785, 1820, 2210, 2380, 2652, 2730, 3094, 3315, 3461, 3570, 4420, 4641, 5460, 6188, 6630, 6922, 7140, 7735, 9282, 10383, 13260, 13844, 15470, 17305, 18564, 20766, 23205, 24227, 30940, 34610, 41532, 44993, 46410, 48454, 51915, 58837, 69220, 72681, 89986, 92820, 96908, 103830, 117674, 121135, 134979, 145362, 176511, 179972, 207660, 224965, 235348, 242270, 269958, 290724, 294185, 314951, 353022, 363405, 411859, 449930, 484540, 539916, 588370, 629902, 674895, 706044, 726810, 764881, 823718, 882555, 899860, 944853, 1176740, 1235577, 1259804, 1349790, 1453620, 1529762, 1574755, 1647436, 1765110, 1889706, 2059295, 2294643, 2471154, 2699580, 3059524, 3149510, 3530220, 3779412, 3824405, 4118590, 4589286, 4724265, 4942308, 5354167, 6177885, 6299020, 7648810, 8237180, 9178572, 9448530, 10708334, 11473215, 12355770, 15297620, 16062501, 18897060, 21416668, 22946430, 24711540, 26770835, 32125002, 45892860, 53541670, 64250004, 80312505, 107083340, 160625010, 321250020]

約数ペア:

[(1, 321250020), (2, 160625010), (3, 107083340), (4, 80312505), (5, 64250004), (6, 53541670), (7, 45892860), (10, 32125002), (12, 26770835), (13, 24711540), (14, 22946430), (15, 21416668), (17, 18897060), (20, 16062501), (21, 15297620), (26, 12355770), (28, 11473215), (30, 10708334), (34, 9448530), (35, 9178572), (39, 8237180), (42, 7648810), (51, 6299020), (52, 6177885), (60, 5354167), (65, 4942308), (68, 4724265), (70, 4589286), (78, 4118590), (84, 3824405), (85, 3779412), (91, 3530220), (102, 3149510), (105, 3059524), (119, 2699580), (130, 2471154), (140, 2294643), (156, 2059295), (170, 1889706), (182, 1765110), (195, 1647436), (204, 1574755), (210, 1529762), (221, 1453620), (238, 1349790), (255, 1259804), (260, 1235577), (273, 1176740), (340, 944853), (357, 899860), (364, 882555), (390, 823718), (420, 764881), (442, 726810), (455, 706044), (476, 674895), (510, 629902), (546, 588370), (595, 539916), (663, 484540), (714, 449930), (780, 411859), (884, 363405), (910, 353022), (1020, 314951), (1092, 294185), (1105, 290724), (1190, 269958), (1326, 242270), (1365, 235348), (1428, 224965), (1547, 207660), (1785, 179972), (1820, 176511), (2210, 145362), (2380, 134979), (2652, 121135), (2730, 117674), (3094, 103830), (3315, 96908), (3461, 92820), (3570, 89986), (4420, 72681), (4641, 69220), (5460, 58837), (6188, 51915), (6630, 48454), (6922, 46410), (7140, 44993), (7735, 41532), (9282, 34610), (10383, 30940), (13260, 24227), (13844, 23205), (15470, 20766), (17305, 18564)]