228396840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 829440000

約数和(自身を除く): 601043160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 179, 186, 196, 210, 217, 245, 248, 280, 294, 310, 343, 358, 372, 392, 420, 434, 465, 490, 537, 588, 620, 651, 686, 716, 735, 744, 840, 868, 895, 930, 980, 1029, 1074, 1085, 1176, 1240, 1253, 1302, 1372, 1432, 1470, 1519, 1715, 1736, 1790, 1860, 1960, 2058, 2148, 2170, 2506, 2604, 2685, 2744, 2940, 3038, 3255, 3430, 3580, 3720, 3759, 4116, 4296, 4340, 4557, 5012, 5145, 5208, 5370, 5549, 5880, 6076, 6265, 6510, 6860, 7160, 7518, 7595, 8232, 8680, 8771, 9114, 10024, 10290, 10633, 10740, 11098, 12152, 12530, 13020, 13720, 15036, 15190, 16647, 17542, 18228, 18795, 20580, 21266, 21480, 22196, 22785, 25060, 26040, 26313, 27745, 30072, 30380, 31899, 33294, 35084, 36456, 37590, 38843, 41160, 42532, 43855, 44392, 45570, 50120, 52626, 53165, 55490, 60760, 61397, 63798, 66588, 70168, 75180, 77686, 83235, 85064, 87710, 91140, 105252, 106330, 110980, 116529, 122794, 127596, 131565, 133176, 150360, 155372, 159495, 166470, 175420, 182280, 184191, 194215, 210504, 212660, 221960, 233058, 245588, 255192, 263130, 271901, 306985, 310744, 318990, 332940, 350840, 368382, 388430, 425320, 466116, 491176, 526260, 543802, 582645, 613970, 637980, 665880, 736764, 776860, 815703, 920955, 932232, 1052520, 1087604, 1165290, 1227940, 1275960, 1359505, 1473528, 1553720, 1631406, 1841910, 1903307, 2175208, 2330580, 2455880, 2719010, 3262812, 3683820, 3806614, 4078515, 4661160, 5438020, 5709921, 6525624, 7367640, 7613228, 8157030, 9516535, 10876040, 11419842, 15226456, 16314060, 19033070, 22839684, 28549605, 32628120, 38066140, 45679368, 57099210, 76132280, 114198420, 228396840]

約数ペア:

[(1, 228396840), (2, 114198420), (3, 76132280), (4, 57099210), (5, 45679368), (6, 38066140), (7, 32628120), (8, 28549605), (10, 22839684), (12, 19033070), (14, 16314060), (15, 15226456), (20, 11419842), (21, 10876040), (24, 9516535), (28, 8157030), (30, 7613228), (31, 7367640), (35, 6525624), (40, 5709921), (42, 5438020), (49, 4661160), (56, 4078515), (60, 3806614), (62, 3683820), (70, 3262812), (84, 2719010), (93, 2455880), (98, 2330580), (105, 2175208), (120, 1903307), (124, 1841910), (140, 1631406), (147, 1553720), (155, 1473528), (168, 1359505), (179, 1275960), (186, 1227940), (196, 1165290), (210, 1087604), (217, 1052520), (245, 932232), (248, 920955), (280, 815703), (294, 776860), (310, 736764), (343, 665880), (358, 637980), (372, 613970), (392, 582645), (420, 543802), (434, 526260), (465, 491176), (490, 466116), (537, 425320), (588, 388430), (620, 368382), (651, 350840), (686, 332940), (716, 318990), (735, 310744), (744, 306985), (840, 271901), (868, 263130), (895, 255192), (930, 245588), (980, 233058), (1029, 221960), (1074, 212660), (1085, 210504), (1176, 194215), (1240, 184191), (1253, 182280), (1302, 175420), (1372, 166470), (1432, 159495), (1470, 155372), (1519, 150360), (1715, 133176), (1736, 131565), (1790, 127596), (1860, 122794), (1960, 116529), (2058, 110980), (2148, 106330), (2170, 105252), (2506, 91140), (2604, 87710), (2685, 85064), (2744, 83235), (2940, 77686), (3038, 75180), (3255, 70168), (3430, 66588), (3580, 63798), (3720, 61397), (3759, 60760), (4116, 55490), (4296, 53165), (4340, 52626), (4557, 50120), (5012, 45570), (5145, 44392), (5208, 43855), (5370, 42532), (5549, 41160), (5880, 38843), (6076, 37590), (6265, 36456), (6510, 35084), (6860, 33294), (7160, 31899), (7518, 30380), (7595, 30072), (8232, 27745), (8680, 26313), (8771, 26040), (9114, 25060), (10024, 22785), (10290, 22196), (10633, 21480), (10740, 21266), (11098, 20580), (12152, 18795), (12530, 18228), (13020, 17542), (13720, 16647), (15036, 15190)]