1213744240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{28789}}^1$

素因数の和:28850

約数の個数: 80

約数和(自身を含む): 3084445440

約数和(自身を除く): 1870701200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 28789, 42160, 57578, 115156, 143945, 230312, 287890, 460624, 489413, 575780, 892459, 978826, 1151560, 1784918, 1957652, 2303120, 2447065, 3569836, 3915304, 4462295, 4894130, 7139672, 7830608, 8924590, 9788260, 14279344, 15171803, 17849180, 19576520, 30343606, 35698360, 39153040, 60687212, 71396720, 75859015, 121374424, 151718030, 242748848, 303436060, 606872120, 1213744240]

約数ペア:

[(1, 1213744240), (2, 606872120), (4, 303436060), (5, 242748848), (8, 151718030), (10, 121374424), (16, 75859015), (17, 71396720), (20, 60687212), (31, 39153040), (34, 35698360), (40, 30343606), (62, 19576520), (68, 17849180), (80, 15171803), (85, 14279344), (124, 9788260), (136, 8924590), (155, 7830608), (170, 7139672), (248, 4894130), (272, 4462295), (310, 3915304), (340, 3569836), (496, 2447065), (527, 2303120), (620, 1957652), (680, 1784918), (1054, 1151560), (1240, 978826), (1360, 892459), (2108, 575780), (2480, 489413), (2635, 460624), (4216, 287890), (5270, 230312), (8432, 143945), (10540, 115156), (21080, 57578), (28789, 42160)]