218408040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:936

約数の個数: 192

約数和(自身を含む): 768268800

約数和(自身を除く): 549860760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 72, 74, 76, 90, 95, 111, 114, 120, 148, 152, 171, 180, 185, 190, 222, 228, 285, 296, 333, 342, 360, 370, 380, 444, 456, 555, 570, 666, 684, 703, 740, 760, 855, 863, 888, 1110, 1140, 1332, 1368, 1406, 1480, 1665, 1710, 1726, 2109, 2220, 2280, 2589, 2664, 2812, 3330, 3420, 3452, 3515, 4218, 4315, 4440, 5178, 5624, 6327, 6660, 6840, 6904, 7030, 7767, 8436, 8630, 10356, 10545, 12654, 12945, 13320, 14060, 15534, 16397, 16872, 17260, 20712, 21090, 25308, 25890, 28120, 31068, 31635, 31931, 32794, 34520, 38835, 42180, 49191, 50616, 51780, 62136, 63270, 63862, 65588, 77670, 81985, 84360, 95793, 98382, 103560, 126540, 127724, 131176, 147573, 155340, 159655, 163970, 191586, 196764, 245955, 253080, 255448, 287379, 295146, 310680, 319310, 327940, 383172, 393528, 478965, 491910, 574758, 590292, 606689, 638620, 655880, 737865, 766344, 957930, 983820, 1149516, 1180584, 1213378, 1277240, 1436895, 1475730, 1820067, 1915860, 1967640, 2299032, 2426756, 2873790, 2951460, 3033445, 3640134, 3831720, 4853512, 5460201, 5747580, 5902920, 6066890, 7280268, 9100335, 10920402, 11495160, 12133780, 14560536, 18200670, 21840804, 24267560, 27301005, 36401340, 43681608, 54602010, 72802680, 109204020, 218408040]

約数ペア:

[(1, 218408040), (2, 109204020), (3, 72802680), (4, 54602010), (5, 43681608), (6, 36401340), (8, 27301005), (9, 24267560), (10, 21840804), (12, 18200670), (15, 14560536), (18, 12133780), (19, 11495160), (20, 10920402), (24, 9100335), (30, 7280268), (36, 6066890), (37, 5902920), (38, 5747580), (40, 5460201), (45, 4853512), (57, 3831720), (60, 3640134), (72, 3033445), (74, 2951460), (76, 2873790), (90, 2426756), (95, 2299032), (111, 1967640), (114, 1915860), (120, 1820067), (148, 1475730), (152, 1436895), (171, 1277240), (180, 1213378), (185, 1180584), (190, 1149516), (222, 983820), (228, 957930), (285, 766344), (296, 737865), (333, 655880), (342, 638620), (360, 606689), (370, 590292), (380, 574758), (444, 491910), (456, 478965), (555, 393528), (570, 383172), (666, 327940), (684, 319310), (703, 310680), (740, 295146), (760, 287379), (855, 255448), (863, 253080), (888, 245955), (1110, 196764), (1140, 191586), (1332, 163970), (1368, 159655), (1406, 155340), (1480, 147573), (1665, 131176), (1710, 127724), (1726, 126540), (2109, 103560), (2220, 98382), (2280, 95793), (2589, 84360), (2664, 81985), (2812, 77670), (3330, 65588), (3420, 63862), (3452, 63270), (3515, 62136), (4218, 51780), (4315, 50616), (4440, 49191), (5178, 42180), (5624, 38835), (6327, 34520), (6660, 32794), (6840, 31931), (6904, 31635), (7030, 31068), (7767, 28120), (8436, 25890), (8630, 25308), (10356, 21090), (10545, 20712), (12654, 17260), (12945, 16872), (13320, 16397), (14060, 15534)]