28924740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 96864768

約数和(自身を除く): 67940028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 263, 282, 390, 423, 468, 470, 526, 564, 585, 611, 705, 780, 789, 846, 940, 1052, 1170, 1222, 1315, 1410, 1578, 1692, 1833, 2115, 2340, 2367, 2444, 2630, 2820, 3055, 3156, 3419, 3666, 3945, 4230, 4734, 5260, 5499, 6110, 6838, 7332, 7890, 8460, 9165, 9468, 10257, 10998, 11835, 12220, 12361, 13676, 15780, 17095, 18330, 20514, 21996, 23670, 24722, 27495, 30771, 34190, 36660, 37083, 41028, 47340, 49444, 51285, 54990, 61542, 61805, 68380, 74166, 102570, 109980, 111249, 123084, 123610, 148332, 153855, 160693, 185415, 205140, 222498, 247220, 307710, 321386, 370830, 444996, 482079, 556245, 615420, 642772, 741660, 803465, 964158, 1112490, 1446237, 1606930, 1928316, 2224980, 2410395, 2892474, 3213860, 4820790, 5784948, 7231185, 9641580, 14462370, 28924740]

約数ペア:

[(1, 28924740), (2, 14462370), (3, 9641580), (4, 7231185), (5, 5784948), (6, 4820790), (9, 3213860), (10, 2892474), (12, 2410395), (13, 2224980), (15, 1928316), (18, 1606930), (20, 1446237), (26, 1112490), (30, 964158), (36, 803465), (39, 741660), (45, 642772), (47, 615420), (52, 556245), (60, 482079), (65, 444996), (78, 370830), (90, 321386), (94, 307710), (117, 247220), (130, 222498), (141, 205140), (156, 185415), (180, 160693), (188, 153855), (195, 148332), (234, 123610), (235, 123084), (260, 111249), (263, 109980), (282, 102570), (390, 74166), (423, 68380), (468, 61805), (470, 61542), (526, 54990), (564, 51285), (585, 49444), (611, 47340), (705, 41028), (780, 37083), (789, 36660), (846, 34190), (940, 30771), (1052, 27495), (1170, 24722), (1222, 23670), (1315, 21996), (1410, 20514), (1578, 18330), (1692, 17095), (1833, 15780), (2115, 13676), (2340, 12361), (2367, 12220), (2444, 11835), (2630, 10998), (2820, 10257), (3055, 9468), (3156, 9165), (3419, 8460), (3666, 7890), (3945, 7332), (4230, 6838), (4734, 6110), (5260, 5499)]