90211240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 252518400

約数和(自身を除く): 162307160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 547, 589, 620, 665, 760, 868, 1064, 1085, 1094, 1178, 1240, 1330, 1736, 2170, 2188, 2356, 2660, 2735, 2945, 3829, 4123, 4340, 4376, 4712, 5320, 5470, 5890, 7658, 8246, 8680, 10393, 10940, 11780, 15316, 16492, 16957, 19145, 20615, 20786, 21880, 23560, 30632, 32984, 33914, 38290, 41230, 41572, 51965, 67828, 72751, 76580, 82460, 83144, 84785, 103930, 118699, 135656, 145502, 153160, 164920, 169570, 207860, 237398, 291004, 322183, 339140, 363755, 415720, 474796, 582008, 593495, 644366, 678280, 727510, 949592, 1186990, 1288732, 1455020, 1610915, 2255281, 2373980, 2577464, 2910040, 3221830, 4510562, 4747960, 6443660, 9021124, 11276405, 12887320, 18042248, 22552810, 45105620, 90211240]

約数ペア:

[(1, 90211240), (2, 45105620), (4, 22552810), (5, 18042248), (7, 12887320), (8, 11276405), (10, 9021124), (14, 6443660), (19, 4747960), (20, 4510562), (28, 3221830), (31, 2910040), (35, 2577464), (38, 2373980), (40, 2255281), (56, 1610915), (62, 1455020), (70, 1288732), (76, 1186990), (95, 949592), (124, 727510), (133, 678280), (140, 644366), (152, 593495), (155, 582008), (190, 474796), (217, 415720), (248, 363755), (266, 339140), (280, 322183), (310, 291004), (380, 237398), (434, 207860), (532, 169570), (547, 164920), (589, 153160), (620, 145502), (665, 135656), (760, 118699), (868, 103930), (1064, 84785), (1085, 83144), (1094, 82460), (1178, 76580), (1240, 72751), (1330, 67828), (1736, 51965), (2170, 41572), (2188, 41230), (2356, 38290), (2660, 33914), (2735, 32984), (2945, 30632), (3829, 23560), (4123, 21880), (4340, 20786), (4376, 20615), (4712, 19145), (5320, 16957), (5470, 16492), (5890, 15316), (7658, 11780), (8246, 10940), (8680, 10393)]