202917720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1553

約数の個数: 128

約数和(自身を含む): 651744000

約数和(自身を除く): 448826280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 570, 610, 732, 760, 915, 1140, 1159, 1220, 1459, 1464, 1830, 2280, 2318, 2440, 2918, 3477, 3660, 4377, 4636, 5795, 5836, 6954, 7295, 7320, 8754, 9272, 11590, 11672, 13908, 14590, 17385, 17508, 21885, 23180, 27721, 27816, 29180, 34770, 35016, 43770, 46360, 55442, 58360, 69540, 83163, 87540, 88999, 110884, 138605, 139080, 166326, 175080, 177998, 221768, 266997, 277210, 332652, 355996, 415815, 444995, 533994, 554420, 665304, 711992, 831630, 889990, 1067988, 1108840, 1334985, 1663260, 1690981, 1779980, 2135976, 2669970, 3326520, 3381962, 3559960, 5072943, 5339940, 6763924, 8454905, 10145886, 10679880, 13527848, 16909810, 20291772, 25364715, 33819620, 40583544, 50729430, 67639240, 101458860, 202917720]

約数ペア:

[(1, 202917720), (2, 101458860), (3, 67639240), (4, 50729430), (5, 40583544), (6, 33819620), (8, 25364715), (10, 20291772), (12, 16909810), (15, 13527848), (19, 10679880), (20, 10145886), (24, 8454905), (30, 6763924), (38, 5339940), (40, 5072943), (57, 3559960), (60, 3381962), (61, 3326520), (76, 2669970), (95, 2135976), (114, 1779980), (120, 1690981), (122, 1663260), (152, 1334985), (183, 1108840), (190, 1067988), (228, 889990), (244, 831630), (285, 711992), (305, 665304), (366, 554420), (380, 533994), (456, 444995), (488, 415815), (570, 355996), (610, 332652), (732, 277210), (760, 266997), (915, 221768), (1140, 177998), (1159, 175080), (1220, 166326), (1459, 139080), (1464, 138605), (1830, 110884), (2280, 88999), (2318, 87540), (2440, 83163), (2918, 69540), (3477, 58360), (3660, 55442), (4377, 46360), (4636, 43770), (5795, 35016), (5836, 34770), (6954, 29180), (7295, 27816), (7320, 27721), (8754, 23180), (9272, 21885), (11590, 17508), (11672, 17385), (13908, 14590)]