78836720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 191987712

約数和(自身を除く): 113150992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 383, 415, 496, 620, 664, 766, 830, 1240, 1328, 1532, 1660, 1915, 2480, 2573, 3064, 3320, 3830, 5146, 6128, 6640, 7660, 10292, 11873, 12865, 15320, 20584, 23746, 25730, 30640, 31789, 41168, 47492, 51460, 59365, 63578, 94984, 102920, 118730, 127156, 158945, 189968, 205840, 237460, 254312, 317890, 474920, 508624, 635780, 949840, 985459, 1271560, 1970918, 2543120, 3941836, 4927295, 7883672, 9854590, 15767344, 19709180, 39418360, 78836720]

約数ペア:

[(1, 78836720), (2, 39418360), (4, 19709180), (5, 15767344), (8, 9854590), (10, 7883672), (16, 4927295), (20, 3941836), (31, 2543120), (40, 1970918), (62, 1271560), (80, 985459), (83, 949840), (124, 635780), (155, 508624), (166, 474920), (248, 317890), (310, 254312), (332, 237460), (383, 205840), (415, 189968), (496, 158945), (620, 127156), (664, 118730), (766, 102920), (830, 94984), (1240, 63578), (1328, 59365), (1532, 51460), (1660, 47492), (1915, 41168), (2480, 31789), (2573, 30640), (3064, 25730), (3320, 23746), (3830, 20584), (5146, 15320), (6128, 12865), (6640, 11873), (7660, 10292)]