30070620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 100009728

約数和(自身を除く): 69939108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 317, 340, 372, 465, 510, 527, 558, 612, 620, 634, 765, 930, 951, 1020, 1054, 1116, 1268, 1395, 1530, 1581, 1585, 1860, 1902, 2108, 2635, 2790, 2853, 3060, 3162, 3170, 3804, 4743, 4755, 5270, 5389, 5580, 5706, 6324, 6340, 7905, 9486, 9510, 9827, 10540, 10778, 11412, 14265, 15810, 16167, 18972, 19020, 19654, 21556, 23715, 26945, 28530, 29481, 31620, 32334, 39308, 47430, 48501, 49135, 53890, 57060, 58962, 64668, 80835, 88443, 94860, 97002, 98270, 107780, 117924, 147405, 161670, 167059, 176886, 194004, 196540, 242505, 294810, 323340, 334118, 353772, 442215, 485010, 501177, 589620, 668236, 835295, 884430, 970020, 1002354, 1503531, 1670590, 1768860, 2004708, 2505885, 3007062, 3341180, 5011770, 6014124, 7517655, 10023540, 15035310, 30070620]

約数ペア:

[(1, 30070620), (2, 15035310), (3, 10023540), (4, 7517655), (5, 6014124), (6, 5011770), (9, 3341180), (10, 3007062), (12, 2505885), (15, 2004708), (17, 1768860), (18, 1670590), (20, 1503531), (30, 1002354), (31, 970020), (34, 884430), (36, 835295), (45, 668236), (51, 589620), (60, 501177), (62, 485010), (68, 442215), (85, 353772), (90, 334118), (93, 323340), (102, 294810), (124, 242505), (153, 196540), (155, 194004), (170, 176886), (180, 167059), (186, 161670), (204, 147405), (255, 117924), (279, 107780), (306, 98270), (310, 97002), (317, 94860), (340, 88443), (372, 80835), (465, 64668), (510, 58962), (527, 57060), (558, 53890), (612, 49135), (620, 48501), (634, 47430), (765, 39308), (930, 32334), (951, 31620), (1020, 29481), (1054, 28530), (1116, 26945), (1268, 23715), (1395, 21556), (1530, 19654), (1581, 19020), (1585, 18972), (1860, 16167), (1902, 15810), (2108, 14265), (2635, 11412), (2790, 10778), (2853, 10540), (3060, 9827), (3162, 9510), (3170, 9486), (3804, 7905), (4743, 6340), (4755, 6324), (5270, 5706), (5389, 5580)]