388538280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1452

約数の個数: 192

約数和(自身を含む): 1383192720

約数和(自身を除く): 994654440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 312, 360, 366, 390, 468, 488, 520, 549, 585, 610, 732, 780, 793, 915, 936, 1098, 1170, 1220, 1361, 1464, 1560, 1586, 1830, 2196, 2340, 2379, 2440, 2722, 2745, 3172, 3660, 3965, 4083, 4392, 4680, 4758, 5444, 5490, 6344, 6805, 7137, 7320, 7930, 8166, 9516, 10888, 10980, 11895, 12249, 13610, 14274, 15860, 16332, 17693, 19032, 20415, 21960, 23790, 24498, 27220, 28548, 31720, 32664, 35386, 35685, 40830, 47580, 48996, 53079, 54440, 57096, 61245, 70772, 71370, 81660, 83021, 88465, 95160, 97992, 106158, 122490, 141544, 142740, 159237, 163320, 166042, 176930, 212316, 244980, 249063, 265395, 285480, 318474, 332084, 353860, 415105, 424632, 489960, 498126, 530790, 636948, 664168, 707720, 747189, 796185, 830210, 996252, 1061580, 1079273, 1245315, 1273896, 1494378, 1592370, 1660420, 1992504, 2123160, 2158546, 2490630, 2988756, 3184740, 3237819, 3320840, 3735945, 4317092, 4981260, 5396365, 5977512, 6369480, 6475638, 7471890, 8634184, 9713457, 9962520, 10792730, 12951276, 14943780, 16189095, 19426914, 21585460, 25902552, 29887560, 32378190, 38853828, 43170920, 48567285, 64756380, 77707656, 97134570, 129512760, 194269140, 388538280]

約数ペア:

[(1, 388538280), (2, 194269140), (3, 129512760), (4, 97134570), (5, 77707656), (6, 64756380), (8, 48567285), (9, 43170920), (10, 38853828), (12, 32378190), (13, 29887560), (15, 25902552), (18, 21585460), (20, 19426914), (24, 16189095), (26, 14943780), (30, 12951276), (36, 10792730), (39, 9962520), (40, 9713457), (45, 8634184), (52, 7471890), (60, 6475638), (61, 6369480), (65, 5977512), (72, 5396365), (78, 4981260), (90, 4317092), (104, 3735945), (117, 3320840), (120, 3237819), (122, 3184740), (130, 2988756), (156, 2490630), (180, 2158546), (183, 2123160), (195, 1992504), (234, 1660420), (244, 1592370), (260, 1494378), (305, 1273896), (312, 1245315), (360, 1079273), (366, 1061580), (390, 996252), (468, 830210), (488, 796185), (520, 747189), (549, 707720), (585, 664168), (610, 636948), (732, 530790), (780, 498126), (793, 489960), (915, 424632), (936, 415105), (1098, 353860), (1170, 332084), (1220, 318474), (1361, 285480), (1464, 265395), (1560, 249063), (1586, 244980), (1830, 212316), (2196, 176930), (2340, 166042), (2379, 163320), (2440, 159237), (2722, 142740), (2745, 141544), (3172, 122490), (3660, 106158), (3965, 97992), (4083, 95160), (4392, 88465), (4680, 83021), (4758, 81660), (5444, 71370), (5490, 70772), (6344, 61245), (6805, 57096), (7137, 54440), (7320, 53079), (7930, 48996), (8166, 47580), (9516, 40830), (10888, 35685), (10980, 35386), (11895, 32664), (12249, 31720), (13610, 28548), (14274, 27220), (15860, 24498), (16332, 23790), (17693, 21960), (19032, 20415)]