156745020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 449064000

約数和(自身を除く): 292318980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 149, 178, 197, 267, 298, 356, 394, 445, 447, 534, 591, 596, 745, 788, 890, 894, 985, 1068, 1182, 1335, 1490, 1780, 1788, 1970, 2235, 2364, 2670, 2955, 2980, 3940, 4470, 5340, 5910, 8940, 11820, 13261, 17533, 26522, 29353, 35066, 39783, 52599, 53044, 58706, 66305, 70132, 79566, 87665, 88059, 105198, 117412, 132610, 146765, 159132, 175330, 176118, 198915, 210396, 262995, 265220, 293530, 350660, 352236, 397830, 440295, 525990, 587060, 795660, 880590, 1051980, 1761180, 2612417, 5224834, 7837251, 10449668, 13062085, 15674502, 26124170, 31349004, 39186255, 52248340, 78372510, 156745020]

約数ペア:

[(1, 156745020), (2, 78372510), (3, 52248340), (4, 39186255), (5, 31349004), (6, 26124170), (10, 15674502), (12, 13062085), (15, 10449668), (20, 7837251), (30, 5224834), (60, 2612417), (89, 1761180), (149, 1051980), (178, 880590), (197, 795660), (267, 587060), (298, 525990), (356, 440295), (394, 397830), (445, 352236), (447, 350660), (534, 293530), (591, 265220), (596, 262995), (745, 210396), (788, 198915), (890, 176118), (894, 175330), (985, 159132), (1068, 146765), (1182, 132610), (1335, 117412), (1490, 105198), (1780, 88059), (1788, 87665), (1970, 79566), (2235, 70132), (2364, 66305), (2670, 58706), (2955, 53044), (2980, 52599), (3940, 39783), (4470, 35066), (5340, 29353), (5910, 26522), (8940, 17533), (11820, 13261)]