650840580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16361}}^1$

素因数の和:16406

約数の個数: 144

約数和(自身を含む): 2251280304

約数和(自身を除く): 1600439724

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, 7956, 9945, 13260, 16361, 19890, 32722, 39780, 49083, 65444, 81805, 98166, 147249, 163610, 196332, 212693, 245415, 278137, 294498, 327220, 425386, 490830, 556274, 588996, 638079, 736245, 834411, 850772, 981660, 1063465, 1112548, 1276158, 1390685, 1472490, 1668822, 1914237, 2126930, 2503233, 2552316, 2781370, 2944980, 3190395, 3337644, 3615781, 3828474, 4172055, 4253860, 5006466, 5562740, 6380790, 7231562, 7656948, 8344110, 9571185, 10012932, 10847343, 12516165, 12761580, 14463124, 16688220, 18078905, 19142370, 21694686, 25032330, 32542029, 36157810, 38284740, 43389372, 50064660, 54236715, 65084058, 72315620, 108473430, 130168116, 162710145, 216946860, 325420290, 650840580]

約数ペア:

[(1, 650840580), (2, 325420290), (3, 216946860), (4, 162710145), (5, 130168116), (6, 108473430), (9, 72315620), (10, 65084058), (12, 54236715), (13, 50064660), (15, 43389372), (17, 38284740), (18, 36157810), (20, 32542029), (26, 25032330), (30, 21694686), (34, 19142370), (36, 18078905), (39, 16688220), (45, 14463124), (51, 12761580), (52, 12516165), (60, 10847343), (65, 10012932), (68, 9571185), (78, 8344110), (85, 7656948), (90, 7231562), (102, 6380790), (117, 5562740), (130, 5006466), (153, 4253860), (156, 4172055), (170, 3828474), (180, 3615781), (195, 3337644), (204, 3190395), (221, 2944980), (234, 2781370), (255, 2552316), (260, 2503233), (306, 2126930), (340, 1914237), (390, 1668822), (442, 1472490), (468, 1390685), (510, 1276158), (585, 1112548), (612, 1063465), (663, 981660), (765, 850772), (780, 834411), (884, 736245), (1020, 638079), (1105, 588996), (1170, 556274), (1326, 490830), (1530, 425386), (1989, 327220), (2210, 294498), (2340, 278137), (2652, 245415), (3060, 212693), (3315, 196332), (3978, 163610), (4420, 147249), (6630, 98166), (7956, 81805), (9945, 65444), (13260, 49083), (16361, 39780), (19890, 32722)]