81909750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 228114432

約数和(自身を除く): 146204682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 125, 130, 150, 155, 186, 195, 250, 271, 310, 325, 375, 390, 403, 465, 542, 650, 750, 775, 806, 813, 930, 975, 1209, 1355, 1550, 1625, 1626, 1950, 2015, 2325, 2418, 2710, 3250, 3523, 3875, 4030, 4065, 4650, 4875, 6045, 6775, 7046, 7750, 8130, 8401, 9750, 10075, 10569, 11625, 12090, 13550, 16802, 17615, 20150, 20325, 21138, 23250, 25203, 30225, 33875, 35230, 40650, 42005, 50375, 50406, 52845, 60450, 67750, 84010, 88075, 100750, 101625, 105690, 109213, 126015, 151125, 176150, 203250, 210025, 218426, 252030, 264225, 302250, 327639, 420050, 440375, 528450, 546065, 630075, 655278, 880750, 1050125, 1092130, 1260150, 1321125, 1638195, 2100250, 2642250, 2730325, 3150375, 3276390, 5460650, 6300750, 8190975, 13651625, 16381950, 27303250, 40954875, 81909750]

約数ペア:

[(1, 81909750), (2, 40954875), (3, 27303250), (5, 16381950), (6, 13651625), (10, 8190975), (13, 6300750), (15, 5460650), (25, 3276390), (26, 3150375), (30, 2730325), (31, 2642250), (39, 2100250), (50, 1638195), (62, 1321125), (65, 1260150), (75, 1092130), (78, 1050125), (93, 880750), (125, 655278), (130, 630075), (150, 546065), (155, 528450), (186, 440375), (195, 420050), (250, 327639), (271, 302250), (310, 264225), (325, 252030), (375, 218426), (390, 210025), (403, 203250), (465, 176150), (542, 151125), (650, 126015), (750, 109213), (775, 105690), (806, 101625), (813, 100750), (930, 88075), (975, 84010), (1209, 67750), (1355, 60450), (1550, 52845), (1625, 50406), (1626, 50375), (1950, 42005), (2015, 40650), (2325, 35230), (2418, 33875), (2710, 30225), (3250, 25203), (3523, 23250), (3875, 21138), (4030, 20325), (4065, 20150), (4650, 17615), (4875, 16802), (6045, 13550), (6775, 12090), (7046, 11625), (7750, 10569), (8130, 10075), (8401, 9750)]