31426380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1061

約数の個数: 120

約数和(自身を含む): 103876080

約数和(自身を除く): 72449700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1021, 1026, 1140, 1539, 1620, 1710, 2042, 2052, 2565, 3063, 3078, 3420, 4084, 5105, 5130, 6126, 6156, 7695, 9189, 10210, 10260, 12252, 15315, 15390, 18378, 19399, 20420, 27567, 30630, 30780, 36756, 38798, 45945, 55134, 58197, 61260, 77596, 82701, 91890, 96995, 110268, 116394, 137835, 165402, 174591, 183780, 193990, 232788, 275670, 290985, 330804, 349182, 387980, 413505, 523773, 551340, 581970, 698364, 827010, 872955, 1047546, 1163940, 1571319, 1654020, 1745910, 2095092, 2618865, 3142638, 3491820, 5237730, 6285276, 7856595, 10475460, 15713190, 31426380]

約数ペア:

[(1, 31426380), (2, 15713190), (3, 10475460), (4, 7856595), (5, 6285276), (6, 5237730), (9, 3491820), (10, 3142638), (12, 2618865), (15, 2095092), (18, 1745910), (19, 1654020), (20, 1571319), (27, 1163940), (30, 1047546), (36, 872955), (38, 827010), (45, 698364), (54, 581970), (57, 551340), (60, 523773), (76, 413505), (81, 387980), (90, 349182), (95, 330804), (108, 290985), (114, 275670), (135, 232788), (162, 193990), (171, 183780), (180, 174591), (190, 165402), (228, 137835), (270, 116394), (285, 110268), (324, 96995), (342, 91890), (380, 82701), (405, 77596), (513, 61260), (540, 58197), (570, 55134), (684, 45945), (810, 38798), (855, 36756), (1021, 30780), (1026, 30630), (1140, 27567), (1539, 20420), (1620, 19399), (1710, 18378), (2042, 15390), (2052, 15315), (2565, 12252), (3063, 10260), (3078, 10210), (3420, 9189), (4084, 7695), (5105, 6156), (5130, 6126)]