245579280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2673

約数の個数: 160

約数和(自身を含む): 841446144

約数和(自身を除く): 595866864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 460, 510, 552, 680, 690, 782, 816, 920, 1020, 1104, 1173, 1360, 1380, 1564, 1840, 1955, 2040, 2346, 2617, 2760, 3128, 3910, 4080, 4692, 5234, 5520, 5865, 6256, 7820, 7851, 9384, 10468, 11730, 13085, 15640, 15702, 18768, 20936, 23460, 26170, 31280, 31404, 39255, 41872, 44489, 46920, 52340, 60191, 62808, 78510, 88978, 93840, 104680, 120382, 125616, 133467, 157020, 177956, 180573, 209360, 222445, 240764, 266934, 300955, 314040, 355912, 361146, 444890, 481528, 533868, 601910, 628080, 667335, 711824, 722292, 889780, 902865, 963056, 1023247, 1067736, 1203820, 1334670, 1444584, 1779560, 1805730, 2046494, 2135472, 2407640, 2669340, 2889168, 3069741, 3559120, 3611460, 4092988, 4815280, 5116235, 5338680, 6139482, 7222920, 8185976, 10232470, 10677360, 12278964, 14445840, 15348705, 16371952, 20464940, 24557928, 30697410, 40929880, 49115856, 61394820, 81859760, 122789640, 245579280]

約数ペア:

[(1, 245579280), (2, 122789640), (3, 81859760), (4, 61394820), (5, 49115856), (6, 40929880), (8, 30697410), (10, 24557928), (12, 20464940), (15, 16371952), (16, 15348705), (17, 14445840), (20, 12278964), (23, 10677360), (24, 10232470), (30, 8185976), (34, 7222920), (40, 6139482), (46, 5338680), (48, 5116235), (51, 4815280), (60, 4092988), (68, 3611460), (69, 3559120), (80, 3069741), (85, 2889168), (92, 2669340), (102, 2407640), (115, 2135472), (120, 2046494), (136, 1805730), (138, 1779560), (170, 1444584), (184, 1334670), (204, 1203820), (230, 1067736), (240, 1023247), (255, 963056), (272, 902865), (276, 889780), (340, 722292), (345, 711824), (368, 667335), (391, 628080), (408, 601910), (460, 533868), (510, 481528), (552, 444890), (680, 361146), (690, 355912), (782, 314040), (816, 300955), (920, 266934), (1020, 240764), (1104, 222445), (1173, 209360), (1360, 180573), (1380, 177956), (1564, 157020), (1840, 133467), (1955, 125616), (2040, 120382), (2346, 104680), (2617, 93840), (2760, 88978), (3128, 78510), (3910, 62808), (4080, 60191), (4692, 52340), (5234, 46920), (5520, 44489), (5865, 41872), (6256, 39255), (7820, 31404), (7851, 31280), (9384, 26170), (10468, 23460), (11730, 20936), (13085, 18768), (15640, 15702)]