72501720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31799}}^1$

素因数の和:31832

約数の個数: 64

約数和(自身を含む): 228960000

約数和(自身を除く): 156458280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 31799, 63598, 95397, 127196, 158995, 190794, 254392, 317990, 381588, 476985, 604181, 635980, 763176, 953970, 1208362, 1271960, 1812543, 1907940, 2416724, 3020905, 3625086, 3815880, 4833448, 6041810, 7250172, 9062715, 12083620, 14500344, 18125430, 24167240, 36250860, 72501720]

約数ペア:

[(1, 72501720), (2, 36250860), (3, 24167240), (4, 18125430), (5, 14500344), (6, 12083620), (8, 9062715), (10, 7250172), (12, 6041810), (15, 4833448), (19, 3815880), (20, 3625086), (24, 3020905), (30, 2416724), (38, 1907940), (40, 1812543), (57, 1271960), (60, 1208362), (76, 953970), (95, 763176), (114, 635980), (120, 604181), (152, 476985), (190, 381588), (228, 317990), (285, 254392), (380, 190794), (456, 158995), (570, 127196), (760, 95397), (1140, 63598), (2280, 31799)]