206490720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 676698624

約数和(自身を除く): 470207904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 73, 80, 83, 96, 120, 142, 146, 160, 166, 213, 219, 240, 249, 284, 292, 332, 355, 365, 415, 426, 438, 480, 498, 568, 584, 664, 710, 730, 830, 852, 876, 996, 1065, 1095, 1136, 1168, 1245, 1328, 1420, 1460, 1660, 1704, 1752, 1992, 2130, 2190, 2272, 2336, 2490, 2656, 2840, 2920, 3320, 3408, 3504, 3984, 4260, 4380, 4980, 5183, 5680, 5840, 5893, 6059, 6640, 6816, 7008, 7968, 8520, 8760, 9960, 10366, 11360, 11680, 11786, 12118, 13280, 15549, 17040, 17520, 17679, 18177, 19920, 20732, 23572, 24236, 25915, 29465, 30295, 31098, 34080, 35040, 35358, 36354, 39840, 41464, 47144, 48472, 51830, 58930, 60590, 62196, 70716, 72708, 77745, 82928, 88395, 90885, 94288, 96944, 103660, 117860, 121180, 124392, 141432, 145416, 155490, 165856, 176790, 181770, 188576, 193888, 207320, 235720, 242360, 248784, 282864, 290832, 310980, 353580, 363540, 414640, 430189, 471440, 484720, 497568, 565728, 581664, 621960, 707160, 727080, 829280, 860378, 942880, 969440, 1243920, 1290567, 1414320, 1454160, 1720756, 2150945, 2487840, 2581134, 2828640, 2908320, 3441512, 4301890, 5162268, 6452835, 6883024, 8603780, 10324536, 12905670, 13766048, 17207560, 20649072, 25811340, 34415120, 41298144, 51622680, 68830240, 103245360, 206490720]

約数ペア:

[(1, 206490720), (2, 103245360), (3, 68830240), (4, 51622680), (5, 41298144), (6, 34415120), (8, 25811340), (10, 20649072), (12, 17207560), (15, 13766048), (16, 12905670), (20, 10324536), (24, 8603780), (30, 6883024), (32, 6452835), (40, 5162268), (48, 4301890), (60, 3441512), (71, 2908320), (73, 2828640), (80, 2581134), (83, 2487840), (96, 2150945), (120, 1720756), (142, 1454160), (146, 1414320), (160, 1290567), (166, 1243920), (213, 969440), (219, 942880), (240, 860378), (249, 829280), (284, 727080), (292, 707160), (332, 621960), (355, 581664), (365, 565728), (415, 497568), (426, 484720), (438, 471440), (480, 430189), (498, 414640), (568, 363540), (584, 353580), (664, 310980), (710, 290832), (730, 282864), (830, 248784), (852, 242360), (876, 235720), (996, 207320), (1065, 193888), (1095, 188576), (1136, 181770), (1168, 176790), (1245, 165856), (1328, 155490), (1420, 145416), (1460, 141432), (1660, 124392), (1704, 121180), (1752, 117860), (1992, 103660), (2130, 96944), (2190, 94288), (2272, 90885), (2336, 88395), (2490, 82928), (2656, 77745), (2840, 72708), (2920, 70716), (3320, 62196), (3408, 60590), (3504, 58930), (3984, 51830), (4260, 48472), (4380, 47144), (4980, 41464), (5183, 39840), (5680, 36354), (5840, 35358), (5893, 35040), (6059, 34080), (6640, 31098), (6816, 30295), (7008, 29465), (7968, 25915), (8520, 24236), (8760, 23572), (9960, 20732), (10366, 19920), (11360, 18177), (11680, 17679), (11786, 17520), (12118, 17040), (13280, 15549)]