42480540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 139216896

約数和(自身を除く): 96736356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 331, 345, 372, 414, 460, 465, 558, 620, 662, 690, 713, 828, 930, 993, 1035, 1116, 1324, 1380, 1395, 1426, 1655, 1860, 1986, 2070, 2139, 2790, 2852, 2979, 3310, 3565, 3972, 4140, 4278, 4965, 5580, 5958, 6417, 6620, 7130, 7613, 8556, 9930, 10261, 10695, 11916, 12834, 14260, 14895, 15226, 19860, 20522, 21390, 22839, 25668, 29790, 30452, 30783, 32085, 38065, 41044, 42780, 45678, 51305, 59580, 61566, 64170, 68517, 76130, 91356, 92349, 102610, 114195, 123132, 128340, 137034, 152260, 153915, 184698, 205220, 228390, 236003, 274068, 307830, 342585, 369396, 456780, 461745, 472006, 615660, 685170, 708009, 923490, 944012, 1180015, 1370340, 1416018, 1846980, 2124027, 2360030, 2832036, 3540045, 4248054, 4720060, 7080090, 8496108, 10620135, 14160180, 21240270, 42480540]

約数ペア:

[(1, 42480540), (2, 21240270), (3, 14160180), (4, 10620135), (5, 8496108), (6, 7080090), (9, 4720060), (10, 4248054), (12, 3540045), (15, 2832036), (18, 2360030), (20, 2124027), (23, 1846980), (30, 1416018), (31, 1370340), (36, 1180015), (45, 944012), (46, 923490), (60, 708009), (62, 685170), (69, 615660), (90, 472006), (92, 461745), (93, 456780), (115, 369396), (124, 342585), (138, 307830), (155, 274068), (180, 236003), (186, 228390), (207, 205220), (230, 184698), (276, 153915), (279, 152260), (310, 137034), (331, 128340), (345, 123132), (372, 114195), (414, 102610), (460, 92349), (465, 91356), (558, 76130), (620, 68517), (662, 64170), (690, 61566), (713, 59580), (828, 51305), (930, 45678), (993, 42780), (1035, 41044), (1116, 38065), (1324, 32085), (1380, 30783), (1395, 30452), (1426, 29790), (1655, 25668), (1860, 22839), (1986, 21390), (2070, 20522), (2139, 19860), (2790, 15226), (2852, 14895), (2979, 14260), (3310, 12834), (3565, 11916), (3972, 10695), (4140, 10261), (4278, 9930), (4965, 8556), (5580, 7613), (5958, 7130), (6417, 6620)]