73515780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 243537840

約数和(自身を除く): 170022060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 89, 90, 117, 130, 156, 178, 180, 195, 234, 260, 267, 353, 356, 390, 445, 468, 534, 585, 706, 780, 801, 890, 1059, 1068, 1157, 1170, 1335, 1412, 1602, 1765, 1780, 2118, 2314, 2340, 2670, 3177, 3204, 3471, 3530, 4005, 4236, 4589, 4628, 5295, 5340, 5785, 6354, 6942, 7060, 8010, 9178, 10413, 10590, 11570, 12708, 13767, 13884, 15885, 16020, 17355, 18356, 20826, 21180, 22945, 23140, 27534, 31417, 31770, 34710, 41301, 41652, 45890, 52065, 55068, 62834, 63540, 68835, 69420, 82602, 91780, 94251, 104130, 125668, 137670, 157085, 165204, 188502, 206505, 208260, 275340, 282753, 314170, 377004, 408421, 413010, 471255, 565506, 628340, 816842, 826020, 942510, 1131012, 1225263, 1413765, 1633684, 1885020, 2042105, 2450526, 2827530, 3675789, 4084210, 4901052, 5655060, 6126315, 7351578, 8168420, 12252630, 14703156, 18378945, 24505260, 36757890, 73515780]

約数ペア:

[(1, 73515780), (2, 36757890), (3, 24505260), (4, 18378945), (5, 14703156), (6, 12252630), (9, 8168420), (10, 7351578), (12, 6126315), (13, 5655060), (15, 4901052), (18, 4084210), (20, 3675789), (26, 2827530), (30, 2450526), (36, 2042105), (39, 1885020), (45, 1633684), (52, 1413765), (60, 1225263), (65, 1131012), (78, 942510), (89, 826020), (90, 816842), (117, 628340), (130, 565506), (156, 471255), (178, 413010), (180, 408421), (195, 377004), (234, 314170), (260, 282753), (267, 275340), (353, 208260), (356, 206505), (390, 188502), (445, 165204), (468, 157085), (534, 137670), (585, 125668), (706, 104130), (780, 94251), (801, 91780), (890, 82602), (1059, 69420), (1068, 68835), (1157, 63540), (1170, 62834), (1335, 55068), (1412, 52065), (1602, 45890), (1765, 41652), (1780, 41301), (2118, 34710), (2314, 31770), (2340, 31417), (2670, 27534), (3177, 23140), (3204, 22945), (3471, 21180), (3530, 20826), (4005, 18356), (4236, 17355), (4589, 16020), (4628, 15885), (5295, 13884), (5340, 13767), (5785, 12708), (6354, 11570), (6942, 10590), (7060, 10413), (8010, 9178)]