81043740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2633}}^1$

素因数の和:2673

約数の個数: 120

約数和(自身を含む): 267719760

約数和(自身を除く): 186676020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 2633, 3078, 3420, 5130, 5266, 6156, 7695, 7899, 10260, 10532, 13165, 15390, 15798, 23697, 26330, 30780, 31596, 39495, 47394, 50027, 52660, 71091, 78990, 94788, 100054, 118485, 142182, 150081, 157980, 200108, 213273, 236970, 250135, 284364, 300162, 355455, 426546, 450243, 473940, 500270, 600324, 710910, 750405, 853092, 900486, 1000540, 1066365, 1350729, 1421820, 1500810, 1800972, 2132730, 2251215, 2701458, 3001620, 4052187, 4265460, 4502430, 5402916, 6753645, 8104374, 9004860, 13507290, 16208748, 20260935, 27014580, 40521870, 81043740]

約数ペア:

[(1, 81043740), (2, 40521870), (3, 27014580), (4, 20260935), (5, 16208748), (6, 13507290), (9, 9004860), (10, 8104374), (12, 6753645), (15, 5402916), (18, 4502430), (19, 4265460), (20, 4052187), (27, 3001620), (30, 2701458), (36, 2251215), (38, 2132730), (45, 1800972), (54, 1500810), (57, 1421820), (60, 1350729), (76, 1066365), (81, 1000540), (90, 900486), (95, 853092), (108, 750405), (114, 710910), (135, 600324), (162, 500270), (171, 473940), (180, 450243), (190, 426546), (228, 355455), (270, 300162), (285, 284364), (324, 250135), (342, 236970), (380, 213273), (405, 200108), (513, 157980), (540, 150081), (570, 142182), (684, 118485), (810, 100054), (855, 94788), (1026, 78990), (1140, 71091), (1539, 52660), (1620, 50027), (1710, 47394), (2052, 39495), (2565, 31596), (2633, 30780), (3078, 26330), (3420, 23697), (5130, 15798), (5266, 15390), (6156, 13165), (7695, 10532), (7899, 10260)]