328659660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{12421}}^1$

素因数の和:12453

約数の個数: 144

約数和(自身を含む): 1189530720

約数和(自身を除く): 860871060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 12421, 13230, 24842, 26460, 37263, 49684, 62105, 74526, 86947, 111789, 124210, 149052, 173894, 186315, 223578, 248420, 260841, 335367, 347788, 372630, 434735, 447156, 521682, 558945, 608629, 670734, 745260, 782523, 869470, 1043364, 1117890, 1217258, 1304205, 1341468, 1565046, 1676835, 1738940, 1825887, 2235780, 2347569, 2434516, 2608410, 3043145, 3130092, 3353670, 3651774, 3912615, 4695138, 5216820, 5477661, 6086290, 6707340, 7303548, 7825230, 9129435, 9390276, 10955322, 11737845, 12172580, 15650460, 16432983, 18258870, 21910644, 23475690, 27388305, 32865966, 36517740, 46951380, 54776610, 65731932, 82164915, 109553220, 164329830, 328659660]

約数ペア:

[(1, 328659660), (2, 164329830), (3, 109553220), (4, 82164915), (5, 65731932), (6, 54776610), (7, 46951380), (9, 36517740), (10, 32865966), (12, 27388305), (14, 23475690), (15, 21910644), (18, 18258870), (20, 16432983), (21, 15650460), (27, 12172580), (28, 11737845), (30, 10955322), (35, 9390276), (36, 9129435), (42, 7825230), (45, 7303548), (49, 6707340), (54, 6086290), (60, 5477661), (63, 5216820), (70, 4695138), (84, 3912615), (90, 3651774), (98, 3353670), (105, 3130092), (108, 3043145), (126, 2608410), (135, 2434516), (140, 2347569), (147, 2235780), (180, 1825887), (189, 1738940), (196, 1676835), (210, 1565046), (245, 1341468), (252, 1304205), (270, 1217258), (294, 1117890), (315, 1043364), (378, 869470), (420, 782523), (441, 745260), (490, 670734), (540, 608629), (588, 558945), (630, 521682), (735, 447156), (756, 434735), (882, 372630), (945, 347788), (980, 335367), (1260, 260841), (1323, 248420), (1470, 223578), (1764, 186315), (1890, 173894), (2205, 149052), (2646, 124210), (2940, 111789), (3780, 86947), (4410, 74526), (5292, 62105), (6615, 49684), (8820, 37263), (12421, 26460), (13230, 24842)]