40915980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4668

約数の個数: 108

約数和(自身を含む): 144406080

約数和(自身を除く): 103490100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 4639, 8820, 9278, 13917, 18556, 23195, 27834, 32473, 41751, 46390, 55668, 64946, 69585, 83502, 92780, 97419, 129892, 139170, 162365, 167004, 194838, 208755, 227311, 278340, 292257, 324730, 389676, 417510, 454622, 487095, 584514, 649460, 681933, 835020, 909244, 974190, 1136555, 1169028, 1363866, 1461285, 1948380, 2045799, 2273110, 2727732, 2922570, 3409665, 4091598, 4546220, 5845140, 6819330, 8183196, 10228995, 13638660, 20457990, 40915980]

約数ペア:

[(1, 40915980), (2, 20457990), (3, 13638660), (4, 10228995), (5, 8183196), (6, 6819330), (7, 5845140), (9, 4546220), (10, 4091598), (12, 3409665), (14, 2922570), (15, 2727732), (18, 2273110), (20, 2045799), (21, 1948380), (28, 1461285), (30, 1363866), (35, 1169028), (36, 1136555), (42, 974190), (45, 909244), (49, 835020), (60, 681933), (63, 649460), (70, 584514), (84, 487095), (90, 454622), (98, 417510), (105, 389676), (126, 324730), (140, 292257), (147, 278340), (180, 227311), (196, 208755), (210, 194838), (245, 167004), (252, 162365), (294, 139170), (315, 129892), (420, 97419), (441, 92780), (490, 83502), (588, 69585), (630, 64946), (735, 55668), (882, 46390), (980, 41751), (1260, 32473), (1470, 27834), (1764, 23195), (2205, 18556), (2940, 13917), (4410, 9278), (4639, 8820)]