51979320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 178247520

約数和(自身を除く): 126268200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 180, 183, 216, 244, 263, 270, 305, 324, 360, 366, 405, 488, 526, 540, 549, 610, 648, 732, 789, 810, 915, 1052, 1080, 1098, 1220, 1315, 1464, 1578, 1620, 1647, 1830, 2104, 2196, 2367, 2440, 2630, 2745, 3156, 3240, 3294, 3660, 3945, 4392, 4734, 4941, 5260, 5490, 6312, 6588, 7101, 7320, 7890, 8235, 9468, 9882, 10520, 10980, 11835, 13176, 14202, 15780, 16043, 16470, 18936, 19764, 21303, 21960, 23670, 24705, 28404, 31560, 32086, 32940, 35505, 39528, 42606, 47340, 48129, 49410, 56808, 64172, 65880, 71010, 80215, 85212, 94680, 96258, 98820, 106515, 128344, 142020, 144387, 160430, 170424, 192516, 197640, 213030, 240645, 284040, 288774, 320860, 385032, 426060, 433161, 481290, 577548, 641720, 721935, 852120, 866322, 962580, 1155096, 1299483, 1443870, 1732644, 1925160, 2165805, 2598966, 2887740, 3465288, 4331610, 5197932, 5775480, 6497415, 8663220, 10395864, 12994830, 17326440, 25989660, 51979320]

約数ペア:

[(1, 51979320), (2, 25989660), (3, 17326440), (4, 12994830), (5, 10395864), (6, 8663220), (8, 6497415), (9, 5775480), (10, 5197932), (12, 4331610), (15, 3465288), (18, 2887740), (20, 2598966), (24, 2165805), (27, 1925160), (30, 1732644), (36, 1443870), (40, 1299483), (45, 1155096), (54, 962580), (60, 866322), (61, 852120), (72, 721935), (81, 641720), (90, 577548), (108, 481290), (120, 433161), (122, 426060), (135, 385032), (162, 320860), (180, 288774), (183, 284040), (216, 240645), (244, 213030), (263, 197640), (270, 192516), (305, 170424), (324, 160430), (360, 144387), (366, 142020), (405, 128344), (488, 106515), (526, 98820), (540, 96258), (549, 94680), (610, 85212), (648, 80215), (732, 71010), (789, 65880), (810, 64172), (915, 56808), (1052, 49410), (1080, 48129), (1098, 47340), (1220, 42606), (1315, 39528), (1464, 35505), (1578, 32940), (1620, 32086), (1647, 31560), (1830, 28404), (2104, 24705), (2196, 23670), (2367, 21960), (2440, 21303), (2630, 19764), (2745, 18936), (3156, 16470), (3240, 16043), (3294, 15780), (3660, 14202), (3945, 13176), (4392, 11835), (4734, 10980), (4941, 10520), (5260, 9882), (5490, 9468), (6312, 8235), (6588, 7890), (7101, 7320)]