107654320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 261983232

約数和(自身を除く): 154328912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 523, 620, 664, 830, 1046, 1240, 1328, 1660, 2092, 2480, 2573, 2615, 3320, 4184, 5146, 5230, 6640, 8368, 10292, 10460, 12865, 16213, 20584, 20920, 25730, 32426, 41168, 41840, 43409, 51460, 64852, 81065, 86818, 102920, 129704, 162130, 173636, 205840, 217045, 259408, 324260, 347272, 434090, 648520, 694544, 868180, 1297040, 1345679, 1736360, 2691358, 3472720, 5382716, 6728395, 10765432, 13456790, 21530864, 26913580, 53827160, 107654320]

約数ペア:

[(1, 107654320), (2, 53827160), (4, 26913580), (5, 21530864), (8, 13456790), (10, 10765432), (16, 6728395), (20, 5382716), (31, 3472720), (40, 2691358), (62, 1736360), (80, 1345679), (83, 1297040), (124, 868180), (155, 694544), (166, 648520), (248, 434090), (310, 347272), (332, 324260), (415, 259408), (496, 217045), (523, 205840), (620, 173636), (664, 162130), (830, 129704), (1046, 102920), (1240, 86818), (1328, 81065), (1660, 64852), (2092, 51460), (2480, 43409), (2573, 41840), (2615, 41168), (3320, 32426), (4184, 25730), (5146, 20920), (5230, 20584), (6640, 16213), (8368, 12865), (10292, 10460)]