38921880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 126086400

約数和(自身を除く): 87164520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 397, 430, 456, 516, 570, 645, 760, 794, 817, 860, 1032, 1140, 1191, 1290, 1588, 1634, 1720, 1985, 2280, 2382, 2451, 2580, 3176, 3268, 3970, 4085, 4764, 4902, 5160, 5955, 6536, 7543, 7940, 8170, 9528, 9804, 11910, 12255, 15086, 15880, 16340, 17071, 19608, 22629, 23820, 24510, 30172, 32680, 34142, 37715, 45258, 47640, 49020, 51213, 60344, 68284, 75430, 85355, 90516, 98040, 102426, 113145, 136568, 150860, 170710, 181032, 204852, 226290, 256065, 301720, 324349, 341420, 409704, 452580, 512130, 648698, 682840, 905160, 973047, 1024260, 1297396, 1621745, 1946094, 2048520, 2594792, 3243490, 3892188, 4865235, 6486980, 7784376, 9730470, 12973960, 19460940, 38921880]

約数ペア:

[(1, 38921880), (2, 19460940), (3, 12973960), (4, 9730470), (5, 7784376), (6, 6486980), (8, 4865235), (10, 3892188), (12, 3243490), (15, 2594792), (19, 2048520), (20, 1946094), (24, 1621745), (30, 1297396), (38, 1024260), (40, 973047), (43, 905160), (57, 682840), (60, 648698), (76, 512130), (86, 452580), (95, 409704), (114, 341420), (120, 324349), (129, 301720), (152, 256065), (172, 226290), (190, 204852), (215, 181032), (228, 170710), (258, 150860), (285, 136568), (344, 113145), (380, 102426), (397, 98040), (430, 90516), (456, 85355), (516, 75430), (570, 68284), (645, 60344), (760, 51213), (794, 49020), (817, 47640), (860, 45258), (1032, 37715), (1140, 34142), (1191, 32680), (1290, 30172), (1588, 24510), (1634, 23820), (1720, 22629), (1985, 19608), (2280, 17071), (2382, 16340), (2451, 15880), (2580, 15086), (3176, 12255), (3268, 11910), (3970, 9804), (4085, 9528), (4764, 8170), (4902, 7940), (5160, 7543), (5955, 6536)]