31728240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 160

約数和(自身を含む): 112522560

約数和(自身を除く): 80794320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 397, 432, 444, 540, 555, 592, 666, 720, 740, 794, 888, 999, 1080, 1110, 1191, 1332, 1480, 1588, 1665, 1776, 1985, 1998, 2160, 2220, 2382, 2664, 2960, 3176, 3330, 3573, 3970, 3996, 4440, 4764, 4995, 5328, 5955, 6352, 6660, 7146, 7940, 7992, 8880, 9528, 9990, 10719, 11910, 13320, 14292, 14689, 15880, 15984, 17865, 19056, 19980, 21438, 23820, 26640, 28584, 29378, 31760, 35730, 39960, 42876, 44067, 47640, 53595, 57168, 58756, 71460, 73445, 79920, 85752, 88134, 95280, 107190, 117512, 132201, 142920, 146890, 171504, 176268, 214380, 220335, 235024, 264402, 285840, 293780, 352536, 396603, 428760, 440670, 528804, 587560, 661005, 705072, 793206, 857520, 881340, 1057608, 1175120, 1322010, 1586412, 1762680, 1983015, 2115216, 2644020, 3172824, 3525360, 3966030, 5288040, 6345648, 7932060, 10576080, 15864120, 31728240]

約数ペア:

[(1, 31728240), (2, 15864120), (3, 10576080), (4, 7932060), (5, 6345648), (6, 5288040), (8, 3966030), (9, 3525360), (10, 3172824), (12, 2644020), (15, 2115216), (16, 1983015), (18, 1762680), (20, 1586412), (24, 1322010), (27, 1175120), (30, 1057608), (36, 881340), (37, 857520), (40, 793206), (45, 705072), (48, 661005), (54, 587560), (60, 528804), (72, 440670), (74, 428760), (80, 396603), (90, 352536), (108, 293780), (111, 285840), (120, 264402), (135, 235024), (144, 220335), (148, 214380), (180, 176268), (185, 171504), (216, 146890), (222, 142920), (240, 132201), (270, 117512), (296, 107190), (333, 95280), (360, 88134), (370, 85752), (397, 79920), (432, 73445), (444, 71460), (540, 58756), (555, 57168), (592, 53595), (666, 47640), (720, 44067), (740, 42876), (794, 39960), (888, 35730), (999, 31760), (1080, 29378), (1110, 28584), (1191, 26640), (1332, 23820), (1480, 21438), (1588, 19980), (1665, 19056), (1776, 17865), (1985, 15984), (1998, 15880), (2160, 14689), (2220, 14292), (2382, 13320), (2664, 11910), (2960, 10719), (3176, 9990), (3330, 9528), (3573, 8880), (3970, 7992), (3996, 7940), (4440, 7146), (4764, 6660), (4995, 6352), (5328, 5955)]