661105380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1514

約数の個数: 192

約数和(自身を含む): 2167603200

約数和(自身を除く): 1506497820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 38, 39, 52, 57, 60, 62, 65, 76, 78, 93, 95, 114, 124, 130, 155, 156, 186, 190, 195, 228, 247, 260, 285, 310, 372, 380, 390, 403, 465, 494, 570, 589, 620, 741, 780, 806, 930, 988, 1140, 1178, 1209, 1235, 1439, 1482, 1612, 1767, 1860, 2015, 2356, 2418, 2470, 2878, 2945, 2964, 3534, 3705, 4030, 4317, 4836, 4940, 5756, 5890, 6045, 7068, 7195, 7410, 7657, 8060, 8634, 8835, 11780, 12090, 14390, 14820, 15314, 17268, 17670, 18707, 21585, 22971, 24180, 27341, 28780, 30628, 35340, 37414, 38285, 43170, 44609, 45942, 54682, 56121, 74828, 76570, 82023, 86340, 89218, 91884, 93535, 109364, 112242, 114855, 133827, 136705, 153140, 164046, 178436, 187070, 223045, 224484, 229710, 267654, 273410, 280605, 328092, 355433, 374140, 410115, 446090, 459420, 535308, 546820, 561210, 579917, 669135, 710866, 820230, 847571, 892180, 1066299, 1122420, 1159834, 1338270, 1421732, 1640460, 1695142, 1739751, 1777165, 2132598, 2319668, 2542713, 2676540, 2899585, 3390284, 3479502, 3554330, 4237855, 4265196, 5085426, 5331495, 5799170, 6959004, 7108660, 8475710, 8698755, 10170852, 10662990, 11018423, 11598340, 12713565, 16951420, 17397510, 21325980, 22036846, 25427130, 33055269, 34795020, 44073692, 50854260, 55092115, 66110538, 110184230, 132221076, 165276345, 220368460, 330552690, 661105380]

約数ペア:

[(1, 661105380), (2, 330552690), (3, 220368460), (4, 165276345), (5, 132221076), (6, 110184230), (10, 66110538), (12, 55092115), (13, 50854260), (15, 44073692), (19, 34795020), (20, 33055269), (26, 25427130), (30, 22036846), (31, 21325980), (38, 17397510), (39, 16951420), (52, 12713565), (57, 11598340), (60, 11018423), (62, 10662990), (65, 10170852), (76, 8698755), (78, 8475710), (93, 7108660), (95, 6959004), (114, 5799170), (124, 5331495), (130, 5085426), (155, 4265196), (156, 4237855), (186, 3554330), (190, 3479502), (195, 3390284), (228, 2899585), (247, 2676540), (260, 2542713), (285, 2319668), (310, 2132598), (372, 1777165), (380, 1739751), (390, 1695142), (403, 1640460), (465, 1421732), (494, 1338270), (570, 1159834), (589, 1122420), (620, 1066299), (741, 892180), (780, 847571), (806, 820230), (930, 710866), (988, 669135), (1140, 579917), (1178, 561210), (1209, 546820), (1235, 535308), (1439, 459420), (1482, 446090), (1612, 410115), (1767, 374140), (1860, 355433), (2015, 328092), (2356, 280605), (2418, 273410), (2470, 267654), (2878, 229710), (2945, 224484), (2964, 223045), (3534, 187070), (3705, 178436), (4030, 164046), (4317, 153140), (4836, 136705), (4940, 133827), (5756, 114855), (5890, 112242), (6045, 109364), (7068, 93535), (7195, 91884), (7410, 89218), (7657, 86340), (8060, 82023), (8634, 76570), (8835, 74828), (11780, 56121), (12090, 54682), (14390, 45942), (14820, 44609), (15314, 43170), (17268, 38285), (17670, 37414), (18707, 35340), (21585, 30628), (22971, 28780), (24180, 27341)]