440648720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3373}}^1$

素因数の和:3480

約数の個数: 80

約数和(自身を含む): 1084430592

約数和(自身を除く): 643781872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2840, 3266, 3373, 5680, 6532, 6746, 8165, 13064, 13492, 16330, 16865, 26128, 26984, 32660, 33730, 53968, 65320, 67460, 77579, 130640, 134920, 155158, 239483, 269840, 310316, 387895, 478966, 620632, 775790, 957932, 1197415, 1241264, 1551580, 1915864, 2394830, 3103160, 3831728, 4789660, 5508109, 6206320, 9579320, 11016218, 19158640, 22032436, 27540545, 44064872, 55081090, 88129744, 110162180, 220324360, 440648720]

約数ペア:

[(1, 440648720), (2, 220324360), (4, 110162180), (5, 88129744), (8, 55081090), (10, 44064872), (16, 27540545), (20, 22032436), (23, 19158640), (40, 11016218), (46, 9579320), (71, 6206320), (80, 5508109), (92, 4789660), (115, 3831728), (142, 3103160), (184, 2394830), (230, 1915864), (284, 1551580), (355, 1241264), (368, 1197415), (460, 957932), (568, 775790), (710, 620632), (920, 478966), (1136, 387895), (1420, 310316), (1633, 269840), (1840, 239483), (2840, 155158), (3266, 134920), (3373, 130640), (5680, 77579), (6532, 67460), (6746, 65320), (8165, 53968), (13064, 33730), (13492, 32660), (16330, 26984), (16865, 26128)]