90307980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{3413}}^1$

素因数の和:3445

約数の個数: 144

約数和(自身を含む): 326924640

約数和(自身を除く): 236616660

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, 3413, 3780, 4410, 5292, 6615, 6826, 8820, 10239, 13230, 13652, 17065, 20478, 23891, 26460, 30717, 34130, 40956, 47782, 51195, 61434, 68260, 71673, 92151, 95564, 102390, 119455, 122868, 143346, 153585, 167237, 184302, 204780, 215019, 238910, 286692, 307170, 334474, 358365, 368604, 430038, 460755, 477820, 501711, 614340, 645057, 668948, 716730, 836185, 860076, 921510, 1003422, 1075095, 1290114, 1433460, 1505133, 1672370, 1843020, 2006844, 2150190, 2508555, 2580228, 3010266, 3225285, 3344740, 4300380, 4515399, 5017110, 6020532, 6450570, 7525665, 9030798, 10034220, 12901140, 15051330, 18061596, 22576995, 30102660, 45153990, 90307980]

約数ペア:

[(1, 90307980), (2, 45153990), (3, 30102660), (4, 22576995), (5, 18061596), (6, 15051330), (7, 12901140), (9, 10034220), (10, 9030798), (12, 7525665), (14, 6450570), (15, 6020532), (18, 5017110), (20, 4515399), (21, 4300380), (27, 3344740), (28, 3225285), (30, 3010266), (35, 2580228), (36, 2508555), (42, 2150190), (45, 2006844), (49, 1843020), (54, 1672370), (60, 1505133), (63, 1433460), (70, 1290114), (84, 1075095), (90, 1003422), (98, 921510), (105, 860076), (108, 836185), (126, 716730), (135, 668948), (140, 645057), (147, 614340), (180, 501711), (189, 477820), (196, 460755), (210, 430038), (245, 368604), (252, 358365), (270, 334474), (294, 307170), (315, 286692), (378, 238910), (420, 215019), (441, 204780), (490, 184302), (540, 167237), (588, 153585), (630, 143346), (735, 122868), (756, 119455), (882, 102390), (945, 95564), (980, 92151), (1260, 71673), (1323, 68260), (1470, 61434), (1764, 51195), (1890, 47782), (2205, 40956), (2646, 34130), (2940, 30717), (3413, 26460), (3780, 23891), (4410, 20478), (5292, 17065), (6615, 13652), (6826, 13230), (8820, 10239)]