401255680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2404

約数の個数: 144

約数和(自身を含む): 1156740480

約数和(自身を除く): 755484800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2357, 2432, 2660, 3040, 4256, 4480, 4714, 4864, 5320, 6080, 8512, 8960, 9428, 10640, 11785, 12160, 16499, 17024, 18856, 21280, 23570, 24320, 32998, 34048, 37712, 42560, 44783, 47140, 65996, 75424, 82495, 85120, 89566, 94280, 131992, 150848, 164990, 170240, 179132, 188560, 223915, 263984, 301696, 313481, 329980, 358264, 377120, 447830, 527968, 603392, 626962, 659960, 716528, 754240, 895660, 1055936, 1253924, 1319920, 1433056, 1508480, 1567405, 1791320, 2111872, 2507848, 2639840, 2866112, 3016960, 3134810, 3582640, 4223744, 5015696, 5279680, 5732224, 6269620, 7165280, 10031392, 10559360, 11464448, 12539240, 14330560, 20062784, 21118720, 25078480, 28661120, 40125568, 50156960, 57322240, 80251136, 100313920, 200627840, 401255680]

約数ペア:

[(1, 401255680), (2, 200627840), (4, 100313920), (5, 80251136), (7, 57322240), (8, 50156960), (10, 40125568), (14, 28661120), (16, 25078480), (19, 21118720), (20, 20062784), (28, 14330560), (32, 12539240), (35, 11464448), (38, 10559360), (40, 10031392), (56, 7165280), (64, 6269620), (70, 5732224), (76, 5279680), (80, 5015696), (95, 4223744), (112, 3582640), (128, 3134810), (133, 3016960), (140, 2866112), (152, 2639840), (160, 2507848), (190, 2111872), (224, 1791320), (256, 1567405), (266, 1508480), (280, 1433056), (304, 1319920), (320, 1253924), (380, 1055936), (448, 895660), (532, 754240), (560, 716528), (608, 659960), (640, 626962), (665, 603392), (760, 527968), (896, 447830), (1064, 377120), (1120, 358264), (1216, 329980), (1280, 313481), (1330, 301696), (1520, 263984), (1792, 223915), (2128, 188560), (2240, 179132), (2357, 170240), (2432, 164990), (2660, 150848), (3040, 131992), (4256, 94280), (4480, 89566), (4714, 85120), (4864, 82495), (5320, 75424), (6080, 65996), (8512, 47140), (8960, 44783), (9428, 42560), (10640, 37712), (11785, 34048), (12160, 32998), (16499, 24320), (17024, 23570), (18856, 21280)]