20150640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 160

約数和(自身を含む): 73209600

約数和(自身を除く): 53058960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 491, 513, 540, 570, 684, 720, 760, 855, 912, 982, 1026, 1080, 1140, 1368, 1473, 1520, 1710, 1964, 2052, 2160, 2280, 2455, 2565, 2736, 2946, 3420, 3928, 4104, 4419, 4560, 4910, 5130, 5892, 6840, 7365, 7856, 8208, 8838, 9329, 9820, 10260, 11784, 13257, 13680, 14730, 17676, 18658, 19640, 20520, 22095, 23568, 26514, 27987, 29460, 35352, 37316, 39280, 41040, 44190, 46645, 53028, 55974, 58920, 66285, 70704, 74632, 83961, 88380, 93290, 106056, 111948, 117840, 132570, 139935, 149264, 167922, 176760, 186580, 212112, 223896, 251883, 265140, 279870, 335844, 353520, 373160, 419805, 447792, 503766, 530280, 559740, 671688, 746320, 839610, 1007532, 1060560, 1119480, 1259415, 1343376, 1679220, 2015064, 2238960, 2518830, 3358440, 4030128, 5037660, 6716880, 10075320, 20150640]

約数ペア:

[(1, 20150640), (2, 10075320), (3, 6716880), (4, 5037660), (5, 4030128), (6, 3358440), (8, 2518830), (9, 2238960), (10, 2015064), (12, 1679220), (15, 1343376), (16, 1259415), (18, 1119480), (19, 1060560), (20, 1007532), (24, 839610), (27, 746320), (30, 671688), (36, 559740), (38, 530280), (40, 503766), (45, 447792), (48, 419805), (54, 373160), (57, 353520), (60, 335844), (72, 279870), (76, 265140), (80, 251883), (90, 223896), (95, 212112), (108, 186580), (114, 176760), (120, 167922), (135, 149264), (144, 139935), (152, 132570), (171, 117840), (180, 111948), (190, 106056), (216, 93290), (228, 88380), (240, 83961), (270, 74632), (285, 70704), (304, 66285), (342, 58920), (360, 55974), (380, 53028), (432, 46645), (456, 44190), (491, 41040), (513, 39280), (540, 37316), (570, 35352), (684, 29460), (720, 27987), (760, 26514), (855, 23568), (912, 22095), (982, 20520), (1026, 19640), (1080, 18658), (1140, 17676), (1368, 14730), (1473, 13680), (1520, 13257), (1710, 11784), (1964, 10260), (2052, 9820), (2160, 9329), (2280, 8838), (2455, 8208), (2565, 7856), (2736, 7365), (2946, 6840), (3420, 5892), (3928, 5130), (4104, 4910), (4419, 4560)]