1215693720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2122

約数の個数: 192

約数和(自身を含む): 4207788000

約数和(自身を除く): 2992094280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 89, 90, 95, 114, 120, 152, 171, 178, 180, 190, 228, 267, 285, 342, 356, 360, 380, 445, 456, 534, 570, 684, 712, 760, 801, 855, 890, 1068, 1140, 1335, 1368, 1602, 1691, 1710, 1780, 1997, 2136, 2280, 2670, 3204, 3382, 3420, 3560, 3994, 4005, 5073, 5340, 5991, 6408, 6764, 6840, 7988, 8010, 8455, 9985, 10146, 10680, 11982, 13528, 15219, 15976, 16020, 16910, 17973, 19970, 20292, 23964, 25365, 29955, 30438, 32040, 33820, 35946, 37943, 39940, 40584, 47928, 50730, 59910, 60876, 67640, 71892, 75886, 76095, 79880, 89865, 101460, 113829, 119820, 121752, 143784, 151772, 152190, 177733, 179730, 189715, 202920, 227658, 239640, 303544, 304380, 341487, 355466, 359460, 379430, 455316, 533199, 569145, 608760, 682974, 710932, 718920, 758860, 888665, 910632, 1066398, 1138290, 1365948, 1421864, 1517720, 1599597, 1707435, 1777330, 2132796, 2276580, 2665995, 2731896, 3199194, 3376927, 3414870, 3554660, 4265592, 4553160, 5331990, 6398388, 6753854, 6829740, 7109320, 7997985, 10130781, 10663980, 12796776, 13507708, 13659480, 15995970, 16884635, 20261562, 21327960, 27015416, 30392343, 31991940, 33769270, 40523124, 50653905, 60784686, 63983880, 67538540, 81046248, 101307810, 121569372, 135077080, 151961715, 202615620, 243138744, 303923430, 405231240, 607846860, 1215693720]

約数ペア:

[(1, 1215693720), (2, 607846860), (3, 405231240), (4, 303923430), (5, 243138744), (6, 202615620), (8, 151961715), (9, 135077080), (10, 121569372), (12, 101307810), (15, 81046248), (18, 67538540), (19, 63983880), (20, 60784686), (24, 50653905), (30, 40523124), (36, 33769270), (38, 31991940), (40, 30392343), (45, 27015416), (57, 21327960), (60, 20261562), (72, 16884635), (76, 15995970), (89, 13659480), (90, 13507708), (95, 12796776), (114, 10663980), (120, 10130781), (152, 7997985), (171, 7109320), (178, 6829740), (180, 6753854), (190, 6398388), (228, 5331990), (267, 4553160), (285, 4265592), (342, 3554660), (356, 3414870), (360, 3376927), (380, 3199194), (445, 2731896), (456, 2665995), (534, 2276580), (570, 2132796), (684, 1777330), (712, 1707435), (760, 1599597), (801, 1517720), (855, 1421864), (890, 1365948), (1068, 1138290), (1140, 1066398), (1335, 910632), (1368, 888665), (1602, 758860), (1691, 718920), (1710, 710932), (1780, 682974), (1997, 608760), (2136, 569145), (2280, 533199), (2670, 455316), (3204, 379430), (3382, 359460), (3420, 355466), (3560, 341487), (3994, 304380), (4005, 303544), (5073, 239640), (5340, 227658), (5991, 202920), (6408, 189715), (6764, 179730), (6840, 177733), (7988, 152190), (8010, 151772), (8455, 143784), (9985, 121752), (10146, 119820), (10680, 113829), (11982, 101460), (13528, 89865), (15219, 79880), (15976, 76095), (16020, 75886), (16910, 71892), (17973, 67640), (19970, 60876), (20292, 59910), (23964, 50730), (25365, 47928), (29955, 40584), (30438, 39940), (32040, 37943), (33820, 35946)]