281204820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7069}}^1$

素因数の和:7114

約数の個数: 144

約数和(自身を含む): 972775440

約数和(自身を除く): 691570620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7069, 7956, 9945, 13260, 14138, 19890, 21207, 28276, 35345, 39780, 42414, 63621, 70690, 84828, 91897, 106035, 120173, 127242, 141380, 183794, 212070, 240346, 254484, 275691, 318105, 360519, 367588, 424140, 459485, 480692, 551382, 600865, 636210, 721038, 827073, 918970, 1081557, 1102764, 1201730, 1272420, 1378455, 1442076, 1562249, 1654146, 1802595, 1837940, 2163114, 2403460, 2756910, 3124498, 3308292, 3605190, 4135365, 4326228, 4686747, 5407785, 5513820, 6248996, 7210380, 7811245, 8270730, 9373494, 10815570, 14060241, 15622490, 16541460, 18746988, 21631140, 23433735, 28120482, 31244980, 46867470, 56240964, 70301205, 93734940, 140602410, 281204820]

約数ペア:

[(1, 281204820), (2, 140602410), (3, 93734940), (4, 70301205), (5, 56240964), (6, 46867470), (9, 31244980), (10, 28120482), (12, 23433735), (13, 21631140), (15, 18746988), (17, 16541460), (18, 15622490), (20, 14060241), (26, 10815570), (30, 9373494), (34, 8270730), (36, 7811245), (39, 7210380), (45, 6248996), (51, 5513820), (52, 5407785), (60, 4686747), (65, 4326228), (68, 4135365), (78, 3605190), (85, 3308292), (90, 3124498), (102, 2756910), (117, 2403460), (130, 2163114), (153, 1837940), (156, 1802595), (170, 1654146), (180, 1562249), (195, 1442076), (204, 1378455), (221, 1272420), (234, 1201730), (255, 1102764), (260, 1081557), (306, 918970), (340, 827073), (390, 721038), (442, 636210), (468, 600865), (510, 551382), (585, 480692), (612, 459485), (663, 424140), (765, 367588), (780, 360519), (884, 318105), (1020, 275691), (1105, 254484), (1170, 240346), (1326, 212070), (1530, 183794), (1989, 141380), (2210, 127242), (2340, 120173), (2652, 106035), (3060, 91897), (3315, 84828), (3978, 70690), (4420, 63621), (6630, 42414), (7069, 39780), (7956, 35345), (9945, 28276), (13260, 21207), (14138, 19890)]