90740970640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{840817}}^1$

素因数の和:840920

約数の個数: 80

約数和(自身を含む): 225204693120

約数和(自身を除く): 134463722480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1349, 1420, 1520, 2698, 2840, 5396, 5680, 6745, 10792, 13490, 21584, 26980, 53960, 107920, 840817, 1681634, 3363268, 4204085, 6726536, 8408170, 13453072, 15975523, 16816340, 31951046, 33632680, 59698007, 63902092, 67265360, 79877615, 119396014, 127804184, 159755230, 238792028, 255608368, 298490035, 319510460, 477584056, 596980070, 639020920, 955168112, 1134262133, 1193960140, 1278041840, 2268524266, 2387920280, 4537048532, 4775840560, 5671310665, 9074097064, 11342621330, 18148194128, 22685242660, 45370485320, 90740970640]

約数ペア:

[(1, 90740970640), (2, 45370485320), (4, 22685242660), (5, 18148194128), (8, 11342621330), (10, 9074097064), (16, 5671310665), (19, 4775840560), (20, 4537048532), (38, 2387920280), (40, 2268524266), (71, 1278041840), (76, 1193960140), (80, 1134262133), (95, 955168112), (142, 639020920), (152, 596980070), (190, 477584056), (284, 319510460), (304, 298490035), (355, 255608368), (380, 238792028), (568, 159755230), (710, 127804184), (760, 119396014), (1136, 79877615), (1349, 67265360), (1420, 63902092), (1520, 59698007), (2698, 33632680), (2840, 31951046), (5396, 16816340), (5680, 15975523), (6745, 13453072), (10792, 8408170), (13490, 6726536), (21584, 4204085), (26980, 3363268), (53960, 1681634), (107920, 840817)]