89221720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 249753600

約数和(自身を除く): 160531880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 541, 589, 620, 665, 760, 868, 1064, 1082, 1085, 1178, 1240, 1330, 1736, 2164, 2170, 2356, 2660, 2705, 2945, 3787, 4123, 4328, 4340, 4712, 5320, 5410, 5890, 7574, 8246, 8680, 10279, 10820, 11780, 15148, 16492, 16771, 18935, 20558, 20615, 21640, 23560, 30296, 32984, 33542, 37870, 41116, 41230, 51395, 67084, 71953, 75740, 82232, 82460, 83855, 102790, 117397, 134168, 143906, 151480, 164920, 167710, 205580, 234794, 287812, 318649, 335420, 359765, 411160, 469588, 575624, 586985, 637298, 670840, 719530, 939176, 1173970, 1274596, 1439060, 1593245, 2230543, 2347940, 2549192, 2878120, 3186490, 4461086, 4695880, 6372980, 8922172, 11152715, 12745960, 17844344, 22305430, 44610860, 89221720]

約数ペア:

[(1, 89221720), (2, 44610860), (4, 22305430), (5, 17844344), (7, 12745960), (8, 11152715), (10, 8922172), (14, 6372980), (19, 4695880), (20, 4461086), (28, 3186490), (31, 2878120), (35, 2549192), (38, 2347940), (40, 2230543), (56, 1593245), (62, 1439060), (70, 1274596), (76, 1173970), (95, 939176), (124, 719530), (133, 670840), (140, 637298), (152, 586985), (155, 575624), (190, 469588), (217, 411160), (248, 359765), (266, 335420), (280, 318649), (310, 287812), (380, 234794), (434, 205580), (532, 167710), (541, 164920), (589, 151480), (620, 143906), (665, 134168), (760, 117397), (868, 102790), (1064, 83855), (1082, 82460), (1085, 82232), (1178, 75740), (1240, 71953), (1330, 67084), (1736, 51395), (2164, 41230), (2170, 41116), (2356, 37870), (2660, 33542), (2705, 32984), (2945, 30296), (3787, 23560), (4123, 21640), (4328, 20615), (4340, 20558), (4712, 18935), (5320, 16771), (5410, 16492), (5890, 15148), (7574, 11780), (8246, 10820), (8680, 10279)]