20181279120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{50023}}^1$

素因数の和:50121

約数の個数: 120

約数和(自身を含む): 64126365888

約数和(自身を除く): 43945086768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1681, 1968, 2460, 3280, 3362, 4920, 5043, 6724, 8405, 9840, 10086, 13448, 16810, 20172, 25215, 26896, 33620, 40344, 50023, 50430, 67240, 80688, 100046, 100860, 134480, 150069, 200092, 201720, 250115, 300138, 400184, 403440, 500230, 600276, 750345, 800368, 1000460, 1200552, 1500690, 2000920, 2050943, 2401104, 3001380, 4001840, 4101886, 6002760, 6152829, 8203772, 10254715, 12005520, 12305658, 16407544, 20509430, 24611316, 30764145, 32815088, 41018860, 49222632, 61528290, 82037720, 84088663, 98445264, 123056580, 164075440, 168177326, 246113160, 252265989, 336354652, 420443315, 492226320, 504531978, 672709304, 840886630, 1009063956, 1261329945, 1345418608, 1681773260, 2018127912, 2522659890, 3363546520, 4036255824, 5045319780, 6727093040, 10090639560, 20181279120]

約数ペア:

[(1, 20181279120), (2, 10090639560), (3, 6727093040), (4, 5045319780), (5, 4036255824), (6, 3363546520), (8, 2522659890), (10, 2018127912), (12, 1681773260), (15, 1345418608), (16, 1261329945), (20, 1009063956), (24, 840886630), (30, 672709304), (40, 504531978), (41, 492226320), (48, 420443315), (60, 336354652), (80, 252265989), (82, 246113160), (120, 168177326), (123, 164075440), (164, 123056580), (205, 98445264), (240, 84088663), (246, 82037720), (328, 61528290), (410, 49222632), (492, 41018860), (615, 32815088), (656, 30764145), (820, 24611316), (984, 20509430), (1230, 16407544), (1640, 12305658), (1681, 12005520), (1968, 10254715), (2460, 8203772), (3280, 6152829), (3362, 6002760), (4920, 4101886), (5043, 4001840), (6724, 3001380), (8405, 2401104), (9840, 2050943), (10086, 2000920), (13448, 1500690), (16810, 1200552), (20172, 1000460), (25215, 800368), (26896, 750345), (33620, 600276), (40344, 500230), (50023, 403440), (50430, 400184), (67240, 300138), (80688, 250115), (100046, 201720), (100860, 200092), (134480, 150069)]