28723050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 83566080

約数和(自身を除く): 54843030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 31, 45, 50, 58, 62, 71, 75, 87, 90, 93, 142, 145, 150, 155, 174, 186, 213, 225, 261, 279, 290, 310, 355, 426, 435, 450, 465, 522, 558, 639, 710, 725, 775, 870, 899, 930, 1065, 1278, 1305, 1395, 1450, 1550, 1775, 1798, 2059, 2130, 2175, 2201, 2325, 2610, 2697, 2790, 3195, 3550, 4118, 4350, 4402, 4495, 4650, 5325, 5394, 6177, 6390, 6525, 6603, 6975, 8091, 8990, 10295, 10650, 11005, 12354, 13050, 13206, 13485, 13950, 15975, 16182, 18531, 19809, 20590, 22010, 22475, 26970, 30885, 31950, 33015, 37062, 39618, 40455, 44950, 51475, 55025, 61770, 63829, 66030, 67425, 80910, 92655, 99045, 102950, 110050, 127658, 134850, 154425, 165075, 185310, 191487, 198090, 202275, 308850, 319145, 330150, 382974, 404550, 463275, 495225, 574461, 638290, 926550, 957435, 990450, 1148922, 1595725, 1914870, 2872305, 3191450, 4787175, 5744610, 9574350, 14361525, 28723050]

約数ペア:

[(1, 28723050), (2, 14361525), (3, 9574350), (5, 5744610), (6, 4787175), (9, 3191450), (10, 2872305), (15, 1914870), (18, 1595725), (25, 1148922), (29, 990450), (30, 957435), (31, 926550), (45, 638290), (50, 574461), (58, 495225), (62, 463275), (71, 404550), (75, 382974), (87, 330150), (90, 319145), (93, 308850), (142, 202275), (145, 198090), (150, 191487), (155, 185310), (174, 165075), (186, 154425), (213, 134850), (225, 127658), (261, 110050), (279, 102950), (290, 99045), (310, 92655), (355, 80910), (426, 67425), (435, 66030), (450, 63829), (465, 61770), (522, 55025), (558, 51475), (639, 44950), (710, 40455), (725, 39618), (775, 37062), (870, 33015), (899, 31950), (930, 30885), (1065, 26970), (1278, 22475), (1305, 22010), (1395, 20590), (1450, 19809), (1550, 18531), (1775, 16182), (1798, 15975), (2059, 13950), (2130, 13485), (2175, 13206), (2201, 13050), (2325, 12354), (2610, 11005), (2697, 10650), (2790, 10295), (3195, 8990), (3550, 8091), (4118, 6975), (4350, 6603), (4402, 6525), (4495, 6390), (4650, 6177), (5325, 5394)]