168840840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 256

約数和(自身を含む): 622080000

約数和(自身を除く): 453239160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 71, 76, 84, 95, 105, 114, 120, 133, 140, 142, 149, 152, 168, 190, 210, 213, 228, 266, 280, 284, 285, 298, 355, 380, 399, 420, 426, 447, 456, 497, 532, 568, 570, 596, 665, 710, 745, 760, 798, 840, 852, 894, 994, 1043, 1064, 1065, 1140, 1192, 1330, 1349, 1420, 1490, 1491, 1596, 1704, 1788, 1988, 1995, 2086, 2130, 2235, 2280, 2485, 2660, 2698, 2831, 2840, 2980, 2982, 3129, 3192, 3576, 3976, 3990, 4047, 4172, 4260, 4470, 4970, 5215, 5320, 5396, 5662, 5960, 5964, 6258, 6745, 7455, 7980, 8094, 8344, 8493, 8520, 8940, 9443, 9940, 10430, 10579, 10792, 11324, 11928, 12516, 13490, 14155, 14910, 15645, 15960, 16188, 16986, 17880, 18886, 19817, 19880, 20235, 20860, 21158, 22648, 25032, 26980, 28310, 28329, 29820, 31290, 31737, 32376, 33972, 37772, 39634, 40470, 41720, 42316, 42465, 47215, 52895, 53960, 56620, 56658, 59451, 59640, 62580, 63474, 67944, 74053, 75544, 79268, 80940, 84632, 84930, 94430, 99085, 105790, 113240, 113316, 118902, 125160, 126948, 141645, 148106, 158536, 158685, 161880, 169860, 188860, 198170, 201001, 211580, 222159, 226632, 237804, 253896, 283290, 296212, 297255, 317370, 339720, 370265, 377720, 396340, 402002, 423160, 444318, 475608, 566580, 592424, 594510, 603003, 634740, 740530, 792680, 804004, 888636, 1005005, 1110795, 1133160, 1189020, 1206006, 1269480, 1407007, 1481060, 1608008, 1777272, 2010010, 2221590, 2378040, 2412012, 2814014, 2962120, 3015015, 4020020, 4221021, 4443180, 4824024, 5628028, 6030030, 7035035, 8040040, 8442042, 8886360, 11256056, 12060060, 14070070, 16884084, 21105105, 24120120, 28140140, 33768168, 42210210, 56280280, 84420420, 168840840]

約数ペア:

[(1, 168840840), (2, 84420420), (3, 56280280), (4, 42210210), (5, 33768168), (6, 28140140), (7, 24120120), (8, 21105105), (10, 16884084), (12, 14070070), (14, 12060060), (15, 11256056), (19, 8886360), (20, 8442042), (21, 8040040), (24, 7035035), (28, 6030030), (30, 5628028), (35, 4824024), (38, 4443180), (40, 4221021), (42, 4020020), (56, 3015015), (57, 2962120), (60, 2814014), (70, 2412012), (71, 2378040), (76, 2221590), (84, 2010010), (95, 1777272), (105, 1608008), (114, 1481060), (120, 1407007), (133, 1269480), (140, 1206006), (142, 1189020), (149, 1133160), (152, 1110795), (168, 1005005), (190, 888636), (210, 804004), (213, 792680), (228, 740530), (266, 634740), (280, 603003), (284, 594510), (285, 592424), (298, 566580), (355, 475608), (380, 444318), (399, 423160), (420, 402002), (426, 396340), (447, 377720), (456, 370265), (497, 339720), (532, 317370), (568, 297255), (570, 296212), (596, 283290), (665, 253896), (710, 237804), (745, 226632), (760, 222159), (798, 211580), (840, 201001), (852, 198170), (894, 188860), (994, 169860), (1043, 161880), (1064, 158685), (1065, 158536), (1140, 148106), (1192, 141645), (1330, 126948), (1349, 125160), (1420, 118902), (1490, 113316), (1491, 113240), (1596, 105790), (1704, 99085), (1788, 94430), (1988, 84930), (1995, 84632), (2086, 80940), (2130, 79268), (2235, 75544), (2280, 74053), (2485, 67944), (2660, 63474), (2698, 62580), (2831, 59640), (2840, 59451), (2980, 56658), (2982, 56620), (3129, 53960), (3192, 52895), (3576, 47215), (3976, 42465), (3990, 42316), (4047, 41720), (4172, 40470), (4260, 39634), (4470, 37772), (4970, 33972), (5215, 32376), (5320, 31737), (5396, 31290), (5662, 29820), (5960, 28329), (5964, 28310), (6258, 26980), (6745, 25032), (7455, 22648), (7980, 21158), (8094, 20860), (8344, 20235), (8493, 19880), (8520, 19817), (8940, 18886), (9443, 17880), (9940, 16986), (10430, 16188), (10579, 15960), (10792, 15645), (11324, 14910), (11928, 14155), (12516, 13490)]