406977720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1733}}^1$

素因数の和:1869

約数の個数: 128

約数和(自身を含む): 1298419200

約数和(自身を除く): 891441480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 103, 114, 120, 152, 190, 206, 228, 285, 309, 380, 412, 456, 515, 570, 618, 760, 824, 1030, 1140, 1236, 1545, 1733, 1957, 2060, 2280, 2472, 3090, 3466, 3914, 4120, 5199, 5871, 6180, 6932, 7828, 8665, 9785, 10398, 11742, 12360, 13864, 15656, 17330, 19570, 20796, 23484, 25995, 29355, 32927, 34660, 39140, 41592, 46968, 51990, 58710, 65854, 69320, 78280, 98781, 103980, 117420, 131708, 164635, 178499, 197562, 207960, 234840, 263416, 329270, 356998, 395124, 493905, 535497, 658540, 713996, 790248, 892495, 987810, 1070994, 1317080, 1427992, 1784990, 1975620, 2141988, 2677485, 3391481, 3569980, 3951240, 4283976, 5354970, 6782962, 7139960, 10174443, 10709940, 13565924, 16957405, 20348886, 21419880, 27131848, 33914810, 40697772, 50872215, 67829620, 81395544, 101744430, 135659240, 203488860, 406977720]

約数ペア:

[(1, 406977720), (2, 203488860), (3, 135659240), (4, 101744430), (5, 81395544), (6, 67829620), (8, 50872215), (10, 40697772), (12, 33914810), (15, 27131848), (19, 21419880), (20, 20348886), (24, 16957405), (30, 13565924), (38, 10709940), (40, 10174443), (57, 7139960), (60, 6782962), (76, 5354970), (95, 4283976), (103, 3951240), (114, 3569980), (120, 3391481), (152, 2677485), (190, 2141988), (206, 1975620), (228, 1784990), (285, 1427992), (309, 1317080), (380, 1070994), (412, 987810), (456, 892495), (515, 790248), (570, 713996), (618, 658540), (760, 535497), (824, 493905), (1030, 395124), (1140, 356998), (1236, 329270), (1545, 263416), (1733, 234840), (1957, 207960), (2060, 197562), (2280, 178499), (2472, 164635), (3090, 131708), (3466, 117420), (3914, 103980), (4120, 98781), (5199, 78280), (5871, 69320), (6180, 65854), (6932, 58710), (7828, 51990), (8665, 46968), (9785, 41592), (10398, 39140), (11742, 34660), (12360, 32927), (13864, 29355), (15656, 25995), (17330, 23484), (19570, 20796)]