1378915980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 192

約数和(自身を含む): 4294808448

約数和(自身を除く): 2915892468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 73, 78, 122, 130, 146, 156, 183, 195, 219, 244, 260, 292, 305, 365, 366, 390, 397, 438, 610, 730, 732, 780, 793, 794, 876, 915, 949, 1095, 1191, 1220, 1460, 1586, 1588, 1830, 1898, 1985, 2190, 2379, 2382, 2847, 3172, 3660, 3796, 3965, 3970, 4380, 4453, 4745, 4758, 4764, 5161, 5694, 5955, 7930, 7940, 8906, 9490, 9516, 10322, 11388, 11895, 11910, 13359, 14235, 15483, 15860, 17812, 18980, 20644, 22265, 23790, 23820, 24217, 25805, 26718, 28470, 28981, 30966, 44530, 47580, 48434, 51610, 53436, 56940, 57889, 57962, 61932, 66795, 72651, 77415, 86943, 89060, 96868, 103220, 115778, 115924, 121085, 133590, 144905, 145302, 154830, 173667, 173886, 231556, 242170, 267180, 289445, 289810, 290604, 309660, 314821, 347334, 347772, 363255, 376753, 434715, 484340, 578890, 579620, 629642, 694668, 726510, 753506, 868335, 869430, 944463, 1130259, 1157780, 1259284, 1453020, 1507012, 1574105, 1736670, 1738860, 1767841, 1883765, 1888926, 2260518, 3148210, 3473340, 3535682, 3767530, 3777852, 4521036, 4722315, 5303523, 5651295, 6296420, 7071364, 7535060, 8839205, 9444630, 10607046, 11302590, 17678410, 18889260, 21214092, 22605180, 22981933, 26517615, 35356820, 45963866, 53035230, 68945799, 91927732, 106070460, 114909665, 137891598, 229819330, 275783196, 344728995, 459638660, 689457990, 1378915980]

約数ペア:

[(1, 1378915980), (2, 689457990), (3, 459638660), (4, 344728995), (5, 275783196), (6, 229819330), (10, 137891598), (12, 114909665), (13, 106070460), (15, 91927732), (20, 68945799), (26, 53035230), (30, 45963866), (39, 35356820), (52, 26517615), (60, 22981933), (61, 22605180), (65, 21214092), (73, 18889260), (78, 17678410), (122, 11302590), (130, 10607046), (146, 9444630), (156, 8839205), (183, 7535060), (195, 7071364), (219, 6296420), (244, 5651295), (260, 5303523), (292, 4722315), (305, 4521036), (365, 3777852), (366, 3767530), (390, 3535682), (397, 3473340), (438, 3148210), (610, 2260518), (730, 1888926), (732, 1883765), (780, 1767841), (793, 1738860), (794, 1736670), (876, 1574105), (915, 1507012), (949, 1453020), (1095, 1259284), (1191, 1157780), (1220, 1130259), (1460, 944463), (1586, 869430), (1588, 868335), (1830, 753506), (1898, 726510), (1985, 694668), (2190, 629642), (2379, 579620), (2382, 578890), (2847, 484340), (3172, 434715), (3660, 376753), (3796, 363255), (3965, 347772), (3970, 347334), (4380, 314821), (4453, 309660), (4745, 290604), (4758, 289810), (4764, 289445), (5161, 267180), (5694, 242170), (5955, 231556), (7930, 173886), (7940, 173667), (8906, 154830), (9490, 145302), (9516, 144905), (10322, 133590), (11388, 121085), (11895, 115924), (11910, 115778), (13359, 103220), (14235, 96868), (15483, 89060), (15860, 86943), (17812, 77415), (18980, 72651), (20644, 66795), (22265, 61932), (23790, 57962), (23820, 57889), (24217, 56940), (25805, 53436), (26718, 51610), (28470, 48434), (28981, 47580), (30966, 44530)]