279324880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 440629040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 59, 62, 80, 83, 92, 115, 118, 124, 155, 166, 184, 230, 236, 248, 295, 310, 332, 368, 415, 460, 472, 496, 590, 620, 664, 713, 830, 920, 944, 1180, 1240, 1328, 1357, 1426, 1660, 1829, 1840, 1909, 2360, 2480, 2573, 2714, 2852, 3320, 3565, 3658, 3818, 4720, 4897, 5146, 5428, 5704, 6640, 6785, 7130, 7316, 7636, 9145, 9545, 9794, 10292, 10856, 11408, 12865, 13570, 14260, 14632, 15272, 18290, 19090, 19588, 20584, 21712, 24485, 25730, 27140, 28520, 29264, 30544, 36580, 38180, 39176, 41168, 42067, 48970, 51460, 54280, 57040, 59179, 73160, 76360, 78352, 84134, 97940, 102920, 108560, 112631, 118358, 146320, 151807, 152720, 168268, 195880, 205840, 210335, 225262, 236716, 295895, 303614, 336536, 391760, 420670, 450524, 473432, 563155, 591790, 607228, 673072, 759035, 841340, 901048, 946864, 1126310, 1183580, 1214456, 1518070, 1682680, 1802096, 2252620, 2367160, 2428912, 3036140, 3365360, 3491561, 4505240, 4734320, 6072280, 6983122, 9010480, 12144560, 13966244, 17457805, 27932488, 34915610, 55864976, 69831220, 139662440, 279324880]

約数ペア:

[(1, 279324880), (2, 139662440), (4, 69831220), (5, 55864976), (8, 34915610), (10, 27932488), (16, 17457805), (20, 13966244), (23, 12144560), (31, 9010480), (40, 6983122), (46, 6072280), (59, 4734320), (62, 4505240), (80, 3491561), (83, 3365360), (92, 3036140), (115, 2428912), (118, 2367160), (124, 2252620), (155, 1802096), (166, 1682680), (184, 1518070), (230, 1214456), (236, 1183580), (248, 1126310), (295, 946864), (310, 901048), (332, 841340), (368, 759035), (415, 673072), (460, 607228), (472, 591790), (496, 563155), (590, 473432), (620, 450524), (664, 420670), (713, 391760), (830, 336536), (920, 303614), (944, 295895), (1180, 236716), (1240, 225262), (1328, 210335), (1357, 205840), (1426, 195880), (1660, 168268), (1829, 152720), (1840, 151807), (1909, 146320), (2360, 118358), (2480, 112631), (2573, 108560), (2714, 102920), (2852, 97940), (3320, 84134), (3565, 78352), (3658, 76360), (3818, 73160), (4720, 59179), (4897, 57040), (5146, 54280), (5428, 51460), (5704, 48970), (6640, 42067), (6785, 41168), (7130, 39176), (7316, 38180), (7636, 36580), (9145, 30544), (9545, 29264), (9794, 28520), (10292, 27140), (10856, 25730), (11408, 24485), (12865, 21712), (13570, 20584), (14260, 19588), (14632, 19090), (15272, 18290)]