2783648720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{15809}}^1$

素因数の和:15924

約数の個数: 80

約数和(自身を含む): 6775280640

約数和(自身を除く): 3991631920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1136, 1240, 1420, 2201, 2480, 2840, 4402, 5680, 8804, 11005, 15809, 17608, 22010, 31618, 35216, 44020, 63236, 79045, 88040, 126472, 158090, 176080, 252944, 316180, 490079, 632360, 980158, 1122439, 1264720, 1960316, 2244878, 2450395, 3920632, 4489756, 4900790, 5612195, 7841264, 8979512, 9801580, 11224390, 17959024, 19603160, 22448780, 34795609, 39206320, 44897560, 69591218, 89795120, 139182436, 173978045, 278364872, 347956090, 556729744, 695912180, 1391824360, 2783648720]

約数ペア:

[(1, 2783648720), (2, 1391824360), (4, 695912180), (5, 556729744), (8, 347956090), (10, 278364872), (16, 173978045), (20, 139182436), (31, 89795120), (40, 69591218), (62, 44897560), (71, 39206320), (80, 34795609), (124, 22448780), (142, 19603160), (155, 17959024), (248, 11224390), (284, 9801580), (310, 8979512), (355, 7841264), (496, 5612195), (568, 4900790), (620, 4489756), (710, 3920632), (1136, 2450395), (1240, 2244878), (1420, 1960316), (2201, 1264720), (2480, 1122439), (2840, 980158), (4402, 632360), (5680, 490079), (8804, 316180), (11005, 252944), (15809, 176080), (17608, 158090), (22010, 126472), (31618, 88040), (35216, 79045), (44020, 63236)]