156650440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 392832000

約数和(自身を除く): 236181560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 61, 62, 76, 95, 109, 122, 124, 152, 155, 190, 218, 244, 248, 305, 310, 380, 436, 488, 545, 589, 610, 620, 760, 872, 1090, 1159, 1178, 1220, 1240, 1891, 2071, 2180, 2318, 2356, 2440, 2945, 3379, 3782, 4142, 4360, 4636, 4712, 5795, 5890, 6649, 6758, 7564, 8284, 9272, 9455, 10355, 11590, 11780, 13298, 13516, 15128, 16568, 16895, 18910, 20710, 23180, 23560, 26596, 27032, 33245, 33790, 35929, 37820, 41420, 46360, 53192, 64201, 66490, 67580, 71858, 75640, 82840, 126331, 128402, 132980, 135160, 143716, 179645, 206119, 252662, 256804, 265960, 287432, 321005, 359290, 412238, 505324, 513608, 631655, 642010, 718580, 824476, 1010648, 1030595, 1263310, 1284020, 1437160, 1648952, 2061190, 2526620, 2568040, 3916261, 4122380, 5053240, 7832522, 8244760, 15665044, 19581305, 31330088, 39162610, 78325220, 156650440]

約数ペア:

[(1, 156650440), (2, 78325220), (4, 39162610), (5, 31330088), (8, 19581305), (10, 15665044), (19, 8244760), (20, 7832522), (31, 5053240), (38, 4122380), (40, 3916261), (61, 2568040), (62, 2526620), (76, 2061190), (95, 1648952), (109, 1437160), (122, 1284020), (124, 1263310), (152, 1030595), (155, 1010648), (190, 824476), (218, 718580), (244, 642010), (248, 631655), (305, 513608), (310, 505324), (380, 412238), (436, 359290), (488, 321005), (545, 287432), (589, 265960), (610, 256804), (620, 252662), (760, 206119), (872, 179645), (1090, 143716), (1159, 135160), (1178, 132980), (1220, 128402), (1240, 126331), (1891, 82840), (2071, 75640), (2180, 71858), (2318, 67580), (2356, 66490), (2440, 64201), (2945, 53192), (3379, 46360), (3782, 41420), (4142, 37820), (4360, 35929), (4636, 33790), (4712, 33245), (5795, 27032), (5890, 26596), (6649, 23560), (6758, 23180), (7564, 20710), (8284, 18910), (9272, 16895), (9455, 16568), (10355, 15128), (11590, 13516), (11780, 13298)]